214 FZUS51 KBOX 010201 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 1001 PM EDT Tue Oct 31 2023 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-011500- 1001 PM EDT Tue Oct 31 2023 .Synopsis for Massachusetts and Rhode Island coastal waters... A coastal low passes well southeast of the waters Wed. A ridge of high pres builds over the waters late this week and through much of the upcoming weekend with southwest winds. $$ ANZ250-011500- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1001 PM EDT Tue Oct 31 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING... .OVERNIGHT...NE winds around 5 kt, increasing to 10 to 15 kt. Seas around 2 ft. A slight chance of showers. .WED...NE winds 15 to 20 kt. Seas 3 to 5 ft. A chance of showers. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .THU...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 4 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT AND SAT NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt. Gusts up to 25 kt. Seas 2 to 4 ft. .SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-011500- Massachusetts Bay and Ipswich Bay- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds around 5 kt, increasing to 10 to 15 kt. Seas around 2 ft. A slight chance of showers. .WED...NE winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers. .WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .THU...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 2 to 3 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 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. $$ ANZ231-011500- Cape Cod Bay- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt. Seas around 2 ft. A chance of showers. .WED...NE winds 15 to 20 kt. Seas 2 to 4 ft. A chance of rain. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. .THU NIGHT...SW winds 5 to 10 kt. Seas around 2 ft. .FRI AND FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT NIGHT AND SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft, then 1 foot or less. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-011500- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1001 PM EDT Tue Oct 31 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT WEDNESDAY THROUGH THURSDAY MORNING... .OVERNIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. A slight chance of showers. A chance of showers. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely. .WED NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. .THU...NW winds 5 to 10 kt, becoming W in the afternoon. Seas 3 to 5 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 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. $$ ANZ255-011500- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1001 PM EDT Tue Oct 31 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT WEDNESDAY THROUGH THURSDAY MORNING... .OVERNIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of showers, then showers with vsby 1 to 3 NM. .WED...NE winds around 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers. .WED NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. .THU...NW winds 10 to 15 kt, becoming W in the afternoon. Seas 3 to 5 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-011500- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1001 PM EDT Tue Oct 31 2023 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT WEDNESDAY THROUGH LATE WEDNESDAY NIGHT... .OVERNIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A slight chance of showers, then showers likely. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Showers likely. .WED NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...N winds around 10 kt, becoming W in the afternoon. Seas 2 to 4 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 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. $$ ANZ232-011500- Nantucket Sound- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds around 10 kt, increasing to 15 to 20 kt. Seas around 2 ft. Showers likely. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED NIGHT...N winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 2 to 4 ft. .THU...NW winds around 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-011500- Vineyard Sound- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt. Seas around 2 ft. A chance of showers. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Showers likely. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .THU...NW winds around 10 kt, becoming W in the afternoon. Seas around 2 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 20 to 25 kt. Seas 2 to 4 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 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. $$ ANZ234-011500- Buzzards Bay- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt. Seas 1 foot or less. A chance of showers. .WED...NE winds 10 to 15 kt, becoming N 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .THU...NW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas around 2 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SAT THROUGH SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. .SUN NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-011500- Rhode Island Sound- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt. Seas around 2 ft. A chance of showers. .WED...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM. .WED NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft. .THU...N winds around 10 kt, becoming W in the afternoon. Seas around 2 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 20 to 25 kt. Seas 2 to 3 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 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. $$ ANZ237-011500- Block Island Sound- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. .WED...NE winds 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 NM. .WED NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. .THU...N winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-011500- Boston Harbor- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft. A slight chance of showers. .WED...N winds 15 to 20 kt. Waves around 2 ft. A chance of showers. .WED NIGHT...NW winds 10 to 15 kt. Waves around 2 ft in the evening, then 1 foot or less. .THU...NW winds around 10 kt, becoming W in the afternoon. Waves 1 foot or less, then around 2 ft in the afternoon. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 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. $$ ANZ236-011500- Narragansett Bay- 1001 PM EDT Tue Oct 31 2023 .OVERNIGHT...NE winds 10 to 15 kt. Waves 1 foot or less, then around 2 ft. A chance of showers. .WED...N winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. .WED NIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .THU...NW winds 5 to 10 kt, becoming W in the afternoon. Waves around 2 ft in the morning, then 1 foot or less. .THU NIGHT THROUGH FRI NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft. .SAT THROUGH SUN NIGHT...SW winds 10 to 15 kt with gusts up to 25 kt. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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