Coastal Waters Forecast
Issued by NWS Boston, MA

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108 FZUS51 KBOX 180725 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 325 AM EDT Thu Apr 18 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-182015- 325 AM EDT Thu Apr 18 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... A warm front approaches from the SW today, lifting across the waters tonight. For Fri and Sat, our coastal waters will remain E of a series of low pres areas lifting N. This will result in persistent and gusty southerly wind flow across the waters along with showers at times. The low pres will weaken as it moves across the waters Sun. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$ ANZ250-182015- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...S winds 10 to 15 kt, becoming SE 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas around 2 ft, building to 5 ft this afternoon. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 20 to 25 kt. Seas around 8 ft. Patchy fog. A chance of drizzle. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. A chance of drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas around 7 ft. A chance of showers. .SAT...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 8 ft. Showers likely. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas around 9 ft. Showers. .SUN...S winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 8 to 9 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-182015- Massachusetts Bay and Ipswich Bay- 325 AM EDT Thu Apr 18 2019 .TODAY...S winds 10 to 15 kt, becoming SE 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas around 2 ft, building to 4 ft this afternoon. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt. Seas around 5 ft. Patchy fog. A chance of drizzle. A chance of showers in the evening. Vsby 1 NM or less. .FRI...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. A chance of drizzle. A chance of light rain in the afternoon. Vsby 1 to 3 NM in the morning. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Showers likely. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. Showers. .SAT NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 5 ft. Showers. .SUN...S winds 10 to 15 kt. Seas around 5 ft. Showers likely, mainly in the morning. .SUN NIGHT...S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt after midnight. Seas around 4 ft. A chance of showers. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...W winds 10 to 15 kt. Seas around 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. $$ ANZ231-182015- Cape Cod Bay- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...S winds 10 to 15 kt, becoming SE 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. A chance of light rain and drizzle. Vsby 1 NM or less. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. A chance of light rain and drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas around 4 ft. A chance of showers. .SAT...S winds 15 to 20 kt with gusts up to 30 kt. Seas around 4 ft. Showers. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Showers. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds around 10 kt. Seas around 3 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-182015- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas around 2 ft, building to 5 ft this afternoon. .TONIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas around 8 ft. Patchy fog. A chance of drizzle. A chance of light rain after midnight. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 7 ft. A chance of drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 9 ft. A chance of showers. Vsby 1 to 3 NM in the evening. .SAT...S winds 20 to 25 kt with gusts up to 30 kt. Seas around 10 ft, except 13 to 14 ft S and E of Nantucket. Showers likely. .SAT NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 11 to 12 ft, except up to 15 ft S and E of Nantucket. Showers. .SUN...S winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas around 12 ft, subsiding to 10 ft in the afternoon. Showers likely. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 8 to 9 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 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. $$ ANZ255-182015- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas around 3 ft, building to 6 ft this afternoon. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 7 to 8 ft. Patchy fog. A chance of drizzle. A chance of light rain after midnight. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to 9 ft. A chance of drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 35 kt. Seas around 9 ft, building to 11 ft after midnight. A chance of showers. Patchy fog in the evening with vsby 1 to 3 NM. .SAT...S winds 20 to 25 kt with gusts up to 30 kt. Seas around 12 ft. Showers likely. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Seas around 14 ft. Showers. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 13 ft, subsiding to 11 ft in the afternoon. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 9 to 10 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 8 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-182015- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...SE winds 15 to 20 kt with gusts up to 30 kt. Seas around 4 ft, building to 6 ft this afternoon. Patchy fog this afternoon. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 7 to 8 ft. Patchy fog. A chance of drizzle. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to 9 ft. A chance of drizzle. A chance of light rain in the afternoon. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 35 kt. Seas 10 to 11 ft. A chance of showers. .SAT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 12 to 13 ft. Showers. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 13 ft. Showers. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 11 to 12 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 9 to 10 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 8 ft. .MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 6 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. $$ ANZ232-182015- Nantucket Sound- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...SE winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt this afternoon. Seas 2 to 3 ft. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Patchy fog. A chance of light rain and drizzle. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. A chance of drizzle. A chance of light rain in the morning. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas around 5 ft. A chance of showers. Vsby 1 to 3 NM in the evening. .SAT...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas around 5 ft. Showers likely. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 6 ft. Showers. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 5 to 6 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 5 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-182015- Vineyard Sound- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 30 kt. Seas around 2 ft, building to 4 ft this afternoon. Patchy fog this afternoon. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. Patchy fog. A chance of light rain and drizzle. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. A chance of light rain and drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas around 6 ft. A chance of showers. .SAT...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 6 to 7 ft. Showers. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 7 ft. Showers. .SUN...S winds around 10 kt. Seas 6 to 7 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds around 10 kt. Seas around 5 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 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. $$ ANZ234-182015- Buzzards Bay- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog this afternoon. A chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Patchy fog. A chance of light rain and drizzle. Vsby 1 NM or less. .FRI...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. A chance of light rain and drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas around 5 ft. Showers likely, mainly in the evening. .SAT...S winds 15 to 20 kt with gusts up to 30 kt. Seas around 5 ft. Showers. .SAT NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 5 ft. Showers. .SUN...S winds around 10 kt. Seas around 5 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 5 to 10 kt. Seas around 4 ft. A chance of showers in the evening. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 3 ft. .MON NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-182015- Rhode Island Sound- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...SE winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft, building to 6 ft this afternoon. Patchy fog this afternoon. A slight chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 7 ft. Patchy fog. A chance of drizzle. A chance of light rain after midnight. Vsby 1 NM or less. .FRI...SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Seas 7 to 8 ft. A chance of light rain and drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 9 ft. Showers likely. .SAT...S winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 10 to 11 ft. Showers. .SAT NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas around 11 ft. Showers. .SUN...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 9 to 10 ft. Showers likely, mainly in the morning. .SUN NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 7 to 8 ft. A chance of showers. .MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 6 to 7 ft. .MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 5 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. $$ ANZ237-182015- Block Island Sound- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH FRIDAY EVENING... .TODAY...SE winds 10 to 15 kt, increasing to 15 to 20 kt this afternoon. Gusts up to 25 kt. Seas around 3 ft, building to 5 ft this afternoon. Patchy fog this afternoon. A chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Patchy fog. A chance of drizzle. A chance of light rain after midnight. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt. Seas 7 to 8 ft. A chance of light rain and drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 9 ft. Showers likely. .SAT...S winds 15 to 20 kt with gusts up to 30 kt. Seas 9 to 10 ft. Showers. .SAT NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 10 ft. Showers. .SUN...S winds 10 to 15 kt. Seas 9 to 10 ft. A chance of showers. .SUN NIGHT...SW winds around 10 kt. Seas 7 to 8 ft. A chance of showers. .MON...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 5 to 6 ft. .MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 4 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-182015- Boston Harbor- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...S winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts up to 25 kt this afternoon. Waves 1 foot or less, then around 3 ft this afternoon. A chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds 15 to 20 kt. Waves 2 to 3 ft. Patchy fog. A chance of drizzle. A chance of light rain in the evening. Vsby 1 to 3 NM. .FRI...SW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. A chance of drizzle. A chance of light rain in the afternoon. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. Showers likely. .SAT...S winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Showers. .SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 2 ft. Showers. .SUN...S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. .MON...SW winds around 10 kt. Waves 1 foot or less. .MON NIGHT...W winds around 10 kt. Waves 1 foot or less. 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. $$ ANZ236-182015- Narragansett Bay- 325 AM EDT Thu Apr 18 2019 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... .TODAY...SE winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft, building to 5 ft this afternoon. Patchy fog this afternoon. A chance of showers this afternoon with vsby 1 to 3 NM. .TONIGHT...S winds around 15 kt with gusts up to 25 kt. Waves around 5 ft. Patchy fog. A chance of light rain and drizzle. Vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 30 kt. Waves 5 to 6 ft. A chance of light rain and drizzle. Patchy fog in the morning with vsby 1 NM or less. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 30 kt. Waves around 6 ft. Showers likely. .SAT...S winds 15 to 20 kt with gusts up to 25 kt. Waves around 7 ft. Showers. .SAT NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 7 ft. Showers. .SUN...S winds 5 to 10 kt. Waves around 6 ft. A chance of showers. .SUN NIGHT...SW winds 5 to 10 kt. Waves around 5 ft. A chance of showers. .MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves around 4 ft. .MON NIGHT...SW winds around 10 kt. Waves around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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