Expires:202608140300;;118797 FZUS51 KBOX 131406 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1005 AM EDT Thu Aug 13 2026 Coastal waters from the Merrimack River MA to Watch Hill RI out to 60 NM ANZ236-140300- Narragansett Bay- 1005 AM EDT Thu Aug 13 2026 .THIS AFTERNOON...SW winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft. A chance of showers this morning. .TONIGHT...W winds 5 to 10 kt, becoming NW after midnight. Waves around 2 ft in the evening, then 1 foot or less. .FRI...N winds 5 to 10 kt, becoming W in the afternoon. Waves 1 foot or less. .FRI NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Waves 1 foot or less. .SAT...N winds 5 to 10 kt. Waves 1 foot or less. .SAT NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. .SUN NIGHT...SW winds 15 to 20 kt. Waves 2 to 3 ft. Showers likely. .MON...W winds 15 to 20 kt. Waves 2 to 3 ft. Showers likely. .MON NIGHT...NW winds 5 to 10 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. $$