FZUS51 KBOX 161104 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 704 AM EDT Tue Jun 16 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ200-170000- 704 AM EDT Tue Jun 16 2026 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres SW of the waters today bringing dry conditions. Next system arrives Thu, bringing increasing seas and winds with showers and storms possible later in day. $$ ANZ250-170000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming S this afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and E 2 ft at 7 seconds. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and NW 1 foot at 3 seconds. .WED...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds. .WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 7 seconds, becoming SE 5 ft at 6 seconds. A chance of showers in the afternoon. .THU NIGHT...S winds 20 to 25 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds and E 2 ft at 7 seconds. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-170000- Massachusetts Bay and Ipswich Bay- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming S this afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 2 ft at 7 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and E 2 ft at 6 seconds. .WED...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: S 1 foot at 3 seconds and E 1 foot at 6 seconds, becoming SE 2 ft at 5 seconds. .WED NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 5 seconds. A chance of showers. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: SE 4 ft at 6 seconds. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-170000- Cape Cod Bay- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SW this afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 4 seconds and NE 1 foot at 7 seconds. .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and NE 1 foot at 5 seconds. .WED...S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: SW 1 foot at 4 seconds and NE 1 foot at 4 seconds, becoming S 1 foot at 3 seconds and E 1 foot at 7 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 1 foot at 3 seconds and E 1 foot at 8 seconds, becoming SE 1 foot at 4 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 5 seconds and SE 1 foot at 15 seconds. A chance of showers in the afternoon. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 3 ft at 8 seconds. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-170000- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SW this afternoon. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and NW 2 ft at 4 seconds. .TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and W 2 ft at 4 seconds. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and W 1 foot at 4 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 6 seconds and E 1 foot at 7 seconds, becoming S 5 ft at 6 seconds and E 1 foot at 7 seconds. A chance of showers in the afternoon. .THU NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 6 seconds and E 1 foot at 7 seconds. A chance of showers. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI NIGHT THROUGH SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-170000- Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt, becoming SW this afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NW 2 ft at 5 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and S 3 ft at 8 seconds. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 4 seconds. .THU...S winds 10 to 15 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 5 to 7 ft in the afternoon. Wave Detail: SW 4 ft at 7 seconds and E 1 foot at 6 seconds, becoming SE 7 ft at 7 seconds and W 1 foot at 7 seconds. .THU NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. Wave Detail: S 8 ft at 7 seconds and W 2 ft at 8 seconds. A chance of showers. .FRI THROUGH SAT NIGHT...W winds 20 to 25 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-170000- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt, becoming SW this afternoon. Gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NW 3 ft at 4 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 3 ft at 8 seconds. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 6 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 4 seconds. .THU...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 3 to 5 ft, building to 5 to 8 ft in the afternoon. Wave Detail: SE 4 ft at 6 seconds, becoming SW 7 ft at 7 seconds and E 1 foot at 7 seconds. .THU NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 7 to 9 ft, subsiding to 5 to 8 ft after midnight. Wave Detail: S 8 ft at 7 seconds and W 3 ft at 8 seconds, becoming SW 8 ft at 7 seconds and SE 1 foot at 7 seconds. .FRI THROUGH SAT...W winds 20 to 25 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-170000- Nantucket Sound- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt, becoming SW this afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 3 seconds and E 1 foot at 8 seconds. .TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at 7 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 4 seconds and SE 1 foot at 7 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 6 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 2 ft at 7 seconds and SE 1 foot at 15 seconds, becoming S 4 ft at 6 seconds and SE 1 foot at 15 seconds. A chance of showers in the afternoon. .THU NIGHT...SW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and E 1 foot at 7 seconds. A chance of showers. .FRI THROUGH SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-170000- Vineyard Sound- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 5 to 10 kt, becoming SW 10 to 15 kt this afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 8 seconds and NW 2 ft at 5 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SW 2 ft at 8 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 8 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .THU...S winds 10 to 15 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds and SE 2 ft at 10 seconds, becoming SW 5 ft at 7 seconds and SE 1 foot at 7 seconds. A chance of showers in the afternoon. .THU NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 7 seconds. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 20 to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-170000- Buzzards Bay- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 5 to 10 kt, becoming SW 10 to 15 kt this afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SW 2 ft at 8 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SW 2 ft at 7 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 6 seconds and E 1 foot at 9 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. .THU...S winds 10 to 15 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 2 ft at 7 seconds and S 2 ft at 13 seconds, becoming S 4 ft at 7 seconds. A chance of showers in the afternoon. .THU NIGHT...SW winds 20 to 25 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and W 4 ft at 8 seconds. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 20 to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-170000- Rhode Island Sound- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt, becoming SW with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and SW 3 ft at 4 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 3 ft at 4 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 7 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds. .THU...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 4 ft at 8 seconds and SW 1 foot at 4 seconds, becoming S 6 ft at 7 seconds. A chance of showers in the afternoon. .THU NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 5 to 8 ft. Wave Detail: S 8 ft at 7 seconds. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 20 to 25 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-170000- Block Island Sound- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and NW 2 ft at 3 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .WED...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 7 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 4 seconds. .THU...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SE 3 ft at 7 seconds and SW 1 foot at 4 seconds, becoming S 6 ft at 7 seconds. A chance of showers in the afternoon. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft. Wave Detail: SW 6 ft at 6 seconds and SE 2 ft at 8 seconds. A chance of showers in the evening. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT THROUGH SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-170000- Boston Harbor- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 5 to 10 kt with gusts up to 20 kt, becoming SE this afternoon. Waves around 2 ft this morning, then 1 foot or less. .TONIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .WED...S winds around 5 kt, becoming SE 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .WED NIGHT...S winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. .THU...SE winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to 20 kt with gusts up to 30 kt in the afternoon. Waves 2 to 3 ft. A chance of showers in the morning, then showers likely in the afternoon. .THU NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt, becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Waves around 2 ft. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-170000- Narragansett Bay- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon. Waves 2 to 3 ft. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. .WED...S winds 5 to 10 kt. Waves around 2 ft. .WED NIGHT...S winds 5 to 10 kt. Waves around 2 ft. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Waves 2 to 3 ft, building to 3 to 5 ft in the afternoon. A chance of showers in the afternoon. .THU NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Waves 3 to 5 ft. A chance of showers in the evening. .FRI THROUGH SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ280-170000- Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SW this afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds and NW 2 ft at 4 seconds. .TONIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 8 seconds and SW 1 foot at 3 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds, becoming S 5 ft at 5 seconds and E 1 foot at 7 seconds. A chance of showers in the afternoon. .THU NIGHT...S winds 20 to 25 kt, becoming SW 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 7 ft. Wave Detail: SW 7 ft at 6 seconds and E 3 ft at 7 seconds. A chance of showers. .FRI...SW winds around 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .FRI NIGHT THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ281-170000- Ocean Waters from Provincetown to Nantucket from 20 to 60 NM- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming SW this afternoon. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and NW 2 ft at 4 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 4 seconds. .WED...S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .THU...S winds 5 to 10 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 4 seconds, becoming S 5 ft at 7 seconds and SW 1 foot at 4 seconds. .THU NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 8 ft. Wave Detail: SW 7 ft at 6 seconds and E 1 foot at 7 seconds. A chance of showers. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. .FRI NIGHT THROUGH SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ282-170000- Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W this afternoon. Seas 4 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NW 3 ft at 5 seconds. .TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 5 seconds. .WED...SE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .WED NIGHT...S winds around 5 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 1 foot at 4 seconds. .THU...S winds 10 to 15 kt with gusts up to 20 kt, increasing to 20 to 25 kt with gusts up to 30 kt in the afternoon. Seas around 4 ft, building to 5 to 7 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at 4 seconds, becoming SW 7 ft at 7 seconds and E 1 foot at 8 seconds. .THU NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 9 ft. Wave Detail: SW 8 ft at 6 seconds and E 1 foot at 7 seconds. A chance of showers. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. .FRI NIGHT THROUGH SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ283-170000- Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM- 704 AM EDT Tue Jun 16 2026 .TODAY...NW winds 10 to 15 kt with gusts up to 20 kt, becoming W this afternoon. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NW 3 ft at 5 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 8 seconds and W 2 ft at 4 seconds. .WED...SE winds 5 to 10 kt. Seas around 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 4 seconds. .WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 7 seconds and SW 1 foot at 4 seconds. .THU...S winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft, building to 5 to 8 ft in the afternoon. Wave Detail: S 5 ft at 6 seconds and E 1 foot at 7 seconds, becoming S 7 ft at 7 seconds and W 2 ft at 7 seconds. .THU NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 9 ft, subsiding to 6 to 8 ft after midnight. Wave Detail: SW 8 ft at 7 seconds and W 2 ft at 9 seconds, becoming SW 8 ft at 8 seconds and W 3 ft at 8 seconds. A chance of showers after midnight. .FRI...W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. .FRI NIGHT THROUGH SAT NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston