Expires:202404190000;;952028 FZUS51 KBOX 181102 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 701 AM EDT Thu Apr 18 2024 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ250-190000- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 701 AM EDT Thu Apr 18 2024 .TODAY...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of showers this afternoon. .TONIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and E 2 ft at 12 seconds. .FRI...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and E 2 ft at 11 seconds. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 3 ft at 4 seconds and E 2 ft at 11 seconds. A chance of showers after midnight. .SAT...SW winds around 10 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 1 ft at 4 seconds. A chance of showers in the morning. .SAT NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 5 seconds. .SUN THROUGH MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 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. $$