289 FZUS51 KBOX 021702 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 101 PM EDT Tue May 2 2023 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-030600- 101 PM EDT Tue May 2 2023 .Synopsis for Massachusetts and Rhode Island coastal waters... Rough seas and gusty south/southwest winds today will be followed by weaker south/southeast winds tonight and tomorrow. Scattered showers moves over the coastal waters with embedded thunder this morning and early afternoon. $$ ANZ250-030600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...S winds around 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. A chance of showers with isolated tstms. Vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 4 to 6 ft. .WED...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...E winds 10 to 15 kt, becoming NE 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 4 to 7 ft. Showers likely. Vsby 1 to 3 NM. .THU...NE winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 8 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. A chance of showers. .FRI AND FRI NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 25 kt. Seas 4 to 7 ft. .SAT AND SAT NIGHT...NW winds 10 to 15 kt, becoming W. Seas 2 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-030600- Massachusetts Bay and Ipswich Bay- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .THIS AFTERNOON...S winds around 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Showers likely with isolated tstms. Vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. .WED...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. A chance of showers. Vsby 1 to 3 NM. .WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after midnight. Seas 3 to 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .THU...NE winds 20 to 25 kt. Seas 5 to 7 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers. .FRI AND FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt, becoming NW 5 to 10 kt. Seas 4 to 6 ft. .SAT AND SAT NIGHT...N winds 5 to 10 kt, becoming SW. 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. $$ ANZ231-030600- Cape Cod Bay- 101 PM EDT Tue May 2 2023 .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely with isolated tstms. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...S winds 5 to 10 kt. Seas around 2 ft. .WED NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 4 ft. Showers likely. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. .FRI NIGHT AND SAT...NW winds around 10 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-030600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. A chance of showers with isolated tstms. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas 4 to 6 ft. .WED...SE winds 5 to 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt after midnight. Gusts up to 20 kt. Seas 4 to 7 ft. Showers likely. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. A chance of showers. .FRI AND FRI NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 25 kt. Seas 4 to 7 ft. .SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds around 10 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. $$ ANZ255-030600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A slight chance of showers. .TONIGHT...SW winds 15 to 20 kt, becoming S around 10 kt after midnight. Seas 4 to 6 ft. .WED...S winds 5 to 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 4 to 6 ft. Showers likely. .THU...NE winds 20 to 25 kt. Seas 4 to 7 ft. Showers likely. .THU NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 7 ft. A chance of showers. .FRI AND FRI NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 25 kt. Seas 4 to 6 ft. .SAT AND SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-030600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 6 ft. A slight chance of showers. .TONIGHT...SW winds 15 to 20 kt, diminishing to around 10 kt after midnight. Seas 5 to 6 ft. .WED...S winds 5 to 10 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Showers likely. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI NIGHT AND SAT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SAT NIGHT...W winds around 10 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. $$ ANZ232-030600- Nantucket Sound- 101 PM EDT Tue May 2 2023 .THIS AFTERNOON...SW winds 15 to 20 kt. Seas 3 to 4 ft. A chance of showers with isolated tstms. .TONIGHT...SW winds 15 to 20 kt, becoming S 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...E winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Showers likely. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .FRI AND FRI NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. .SAT AND SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft, then 1 foot or less. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-030600- Vineyard Sound- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 20 to 25 kt. Seas 3 to 5 ft. A chance of showers. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds around 5 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Showers likely. .THU...NE winds 20 to 25 kt. Seas 3 to 4 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .FRI...N winds 15 to 20 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT THROUGH SAT NIGHT...W winds around 10 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. $$ ANZ234-030600- Buzzards Bay- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 20 to 25 kt. Seas 3 to 4 ft. A chance of showers with isolated tstms. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. .WED...S winds 5 to 10 kt. Seas 2 to 3 ft. .WED NIGHT...SE winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Showers likely. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. .FRI NIGHT THROUGH SAT NIGHT...W winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-030600- Rhode Island Sound- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 20 to 25 kt. Seas 5 to 6 ft. A chance of showers. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .WED...S winds around 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft. Showers likely. .THU...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .FRI...N winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers. .FRI NIGHT THROUGH SAT NIGHT...W 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. $$ ANZ237-030600- Block Island Sound- 101 PM EDT Tue May 2 2023 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. A slight chance of showers. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 3 to 5 ft. .WED...S winds 5 to 10 kt. Seas 2 to 4 ft. .WED NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Seas 2 to 3 ft. Showers likely. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .FRI THROUGH SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-030600- Boston Harbor- 101 PM EDT Tue May 2 2023 .THIS AFTERNOON...S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers with isolated tstms. Vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. .WED...SE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Showers likely. Vsby 1 to 3 NM. .WED NIGHT...E winds 15 to 20 kt, becoming NE 20 to 25 kt after midnight. Waves 2 to 3 ft. Showers. Vsby 1 to 3 NM. .THU...NE winds 20 to 25 kt, becoming N 15 to 20 kt in the afternoon. Waves 2 to 3 ft. Showers likely. .THU NIGHT...N winds 15 to 20 kt. Waves around 2 ft in the evening, then 1 foot or less. A chance of showers. .FRI THROUGH SAT NIGHT...W winds 15 to 20 kt. 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. $$ ANZ236-030600- Narragansett Bay- 101 PM EDT Tue May 2 2023 .THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 4 to 5 ft. A chance of showers. .TONIGHT...SW winds 15 to 20 kt, diminishing to 5 to 10 kt after midnight. Waves 3 to 5 ft. .WED...S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves 2 to 3 ft. .WED NIGHT...SE winds 5 to 10 kt, becoming NE after midnight. Waves 2 to 3 ft. Showers likely. .THU...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Showers likely. .THU NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 to 3 ft. A chance of showers. .FRI...N winds 10 to 15 kt with gusts up to 20 kt. A chance of showers. .FRI NIGHT THROUGH SAT NIGHT...W winds 5 to 10 kt. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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