FZUS51 KBOX 160227 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1027 PM EDT Fri Oct 15 2021 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-161500- 1027 PM EDT Fri Oct 15 2021 .Synopsis for Massachusetts and Rhode Island coastal waters... Weak high pressure begins moving offshore tonight. A strong cold front approaches from the west Sat with increasing southerly flow. The front sweeps across the waters Sat night with gusty post-frontal W/NW winds Sunday into Tue. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo $$ ANZ250-161500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .OVERNIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A slight chance of showers with vsby 1 to 3 NM. .SAT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming W after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. Vsby 1 NM or less. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT AND MON...W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .TUE AND TUE NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .WED AND WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-161500- Massachusetts Bay and Ipswich Bay- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A slight chance of showers. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...S 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. Seas 2 to 4 ft. Showers likely with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. Vsby 1 to 3 NM. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE THROUGH WED NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. 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. $$ ANZ231-161500- Cape Cod Bay- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 1 foot or less. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE THROUGH WED...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-161500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .OVERNIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. .SAT...S winds 15 to 20 kt. Gusts up to 30 kt in the afternoon. Seas 2 to 4 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming SW after midnight. Gusts up to 30 kt. Seas 4 to 5 ft. Showers likely with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. Vsby 1 to 3 NM. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .TUE THROUGH WED...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. 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. $$ ANZ255-161500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .OVERNIGHT...S winds 10 to 15 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming W after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .TUE THROUGH WED...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-161500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .OVERNIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .SUN NIGHT THROUGH MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. .TUE THROUGH WED...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. .WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms. 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. $$ ANZ232-161500- Nantucket Sound- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds 10 to 15 kt. Seas around 2 ft. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE THROUGH WED...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .WED NIGHT...NW winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-161500- Vineyard Sound- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas 1 foot or less. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. 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. $$ ANZ234-161500- Buzzards Bay- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds around 10 kt. Gusts up to 20 kt. Seas 1 foot or less. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .TUE THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-161500- Rhode Island Sound- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...S winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .SUN NIGHT AND MON...W winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE AND TUE NIGHT...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. 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. $$ ANZ237-161500- Block Island Sound- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT...SW winds 15 to 20 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SUN NIGHT THROUGH MON NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .TUE...W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .TUE NIGHT THROUGH WED NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-161500- Boston Harbor- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds around 10 kt with gusts up to 20 kt. Waves 1 foot or less. A slight chance of showers. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves around 2 ft. .SAT NIGHT...S winds 10 to 15 kt with gusts up to 30 kt, becoming W with gusts up to 20 kt after midnight. Waves around 2 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...W winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers. .SUN NIGHT THROUGH MON NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .TUE THROUGH WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Winds and waves higher in and near tstms. 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. $$ ANZ236-161500- Narragansett Bay- 1027 PM EDT Fri Oct 15 2021 ...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY MORNING... .OVERNIGHT...S winds around 10 kt. Gusts up to 20 kt. Waves 1 foot or less. .SAT...S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. .SAT NIGHT...SW winds 15 to 20 kt, becoming W around 10 kt after midnight. Gusts up to 30 kt. Waves 2 to 3 ft. Showers with a chance of tstms. Some tstms may produce gusty winds and heavy rainfall. .SUN...NW winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SUN NIGHT THROUGH MON NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. .TUE THROUGH WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Winds and waves higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/nwsboston You can follow us on Twitter at @NWSBoston