Coastal Waters Forecast
Issued by NWS Boston, MA

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000 FZUS51 KBOX 212317 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 716 PM EDT Thu Mar 21 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-221200- 716 PM EDT Thu Mar 21 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... Low pres will lift NE across the Mid Atlc coast this evening, passing across RI and eastern MA Fri morning. The low will intensify Friday night as it tracks up along coastal Maine. This powerful storm lingers near Nova Scotia Sat before finally exiting NE Sat night. High pres builds across the Mid Atlc waters Sun, shifting offshore Sun night. A cold front will drop S across the waters Mon. 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. $$ ANZ250-221200- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY AFTERNOON... .TONIGHT...SE winds 10 to 15 kt, becoming E 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. A chance of rain this evening, then rain after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...SE winds 15 to 20 kt with gusts up to 35 kt, becoming SW 10 to 15 kt with gusts up to 25 kt in the afternoon. Seas 7 to 10 ft. Patchy fog. Scattered showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt, becoming W 25 to 30 kt with gusts up to 40 kt after midnight. Seas 7 to 10 ft. Scattered showers. .SAT...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 7 to 10 ft. Scattered snow showers. .SAT NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. .SUN...W winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .MON...NW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-221200- Massachusetts Bay and Ipswich Bay- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY AFTERNOON... .TONIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming E 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 5 ft. A chance of rain this evening, then rain after midnight. Patchy fog after midnight with vsby 1 NM or less. .FRI...E winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. Scattered showers. Vsby 1 NM or less. .FRI NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft. Scattered rain and snow showers. .SAT...W winds 20 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 6 ft. Scattered snow showers. .SAT NIGHT...NW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. .SUN NIGHT...W winds 5 to 10 kt. Seas around 2 ft. .MON...W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...N winds 10 to 15 kt with 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. $$ ANZ231-221200- Cape Cod Bay- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 2 to 4 ft. A chance of rain this evening, then rain after midnight. Patchy fog after midnight with vsby 1 NM or less. .FRI...SE winds 15 to 20 kt, becoming SW 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Patchy fog. Rain likely. Vsby 1 NM or less. .FRI NIGHT...SW winds 15 to 20 kt, becoming W 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 3 to 5 ft. Scattered rain and snow showers. .SAT...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 6 ft. Scattered snow showers. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 2 ft. .MON...NW winds 5 to 10 kt. Seas around 2 ft. A chance of showers. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-221200- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. A chance of rain this evening, then rain after midnight. Patchy fog after midnight with vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 30 kt, becoming SW 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 7 to 10 ft. Patchy fog. Scattered showers. Vsby 1 NM or less. .FRI NIGHT...SW winds 20 to 25 kt, becoming W 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 7 to 10 ft, except 10 to 15 ft S and E of Nantucket. Scattered showers. .SAT...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 45 kt. Seas 7 to 10 ft, except 9 to 14 ft S and E of Nantucket. .SAT NIGHT...NW winds 15 to 20 kt with gusts up to 35 kt. Seas 6 to 9 ft. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 5 ft. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. .TUE...N winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 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. $$ ANZ255-221200- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Rain. Patchy fog after midnight with vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 25 kt, becoming SW 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 8 to 11 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .FRI NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 45 kt. Seas 9 to 14 ft. Scattered showers. .SAT...W winds 25 to 30 kt with gusts up to 45 kt. Seas 8 to 13 ft. .SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 7 to 10 ft. .SUN...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .MON...SW winds around 10 kt. Seas 4 to 6 ft. A chance of showers. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. .TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-221200- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 6 to 9 ft. Patchy fog. Rain. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .FRI...S winds 10 to 15 kt with gusts up to 25 kt, becoming W 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 8 to 11 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .FRI NIGHT...W winds 25 to 35 kt with gusts up to 45 kt. Seas 9 to 13 ft. Scattered showers. .SAT...W winds 25 to 30 kt with gusts up to 45 kt. Seas 8 to 11 ft. .SAT NIGHT...NW winds 20 to 25 kt with gusts up to 35 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 5 to 8 ft. .SUN...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 6 ft. .MON...W winds 5 to 10 kt. Seas 4 to 6 ft. A chance of showers. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 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. $$ ANZ232-221200- Nantucket Sound- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Patchy fog after midnight with vsby 1 NM or less. .FRI...S winds 15 to 20 kt with gusts up to 30 kt, becoming SW 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 2 to 4 ft. Patchy fog. Scattered showers. Vsby 1 NM or less. .FRI NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 3 to 5 ft. Scattered showers. .SAT...W winds 25 to 30 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-221200- Vineyard Sound- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Patchy fog after midnight with vsby 1 NM or less. .FRI...S winds 10 to 15 kt with gusts up to 25 kt, becoming SW 15 to 20 kt with gusts up to 35 kt in the afternoon. Seas 3 to 5 ft. Patchy fog. Scattered showers. Vsby 1 NM or less. .FRI NIGHT...W winds 20 to 25 kt with gusts up to 40 kt. Seas 4 to 7 ft. Scattered showers. .SAT...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 40 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. .SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .TUE NIGHT...NE 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. $$ ANZ234-221200- Buzzards Bay- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft. Rain. Patchy fog after midnight with vsby 1 NM or less. .FRI...S winds 10 to 15 kt with gusts up to 25 kt, becoming SW 15 to 20 kt with gusts up to 35 kt in the afternoon. Seas 3 to 5 ft. Patchy fog. Scattered showers. Vsby 1 NM or less. .FRI NIGHT...W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 4 to 7 ft. Scattered rain and snow showers. .SAT...W winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 40 kt. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Seas 2 to 4 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft. .MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers. .MON NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers. .TUE...N winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-221200- Rhode Island Sound- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Rain. Patchy fog after midnight with vsby 1 NM or less. .FRI...S winds 10 to 15 kt with gusts up to 25 kt, becoming SW 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 6 to 9 ft. Patchy fog. Scattered showers. Vsby 1 to 3 NM. .FRI NIGHT...W winds 25 to 30 kt with gusts up to 40 kt. Seas 7 to 10 ft. Scattered showers. .SAT...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. .MON...SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers. .TUE...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE 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. $$ ANZ237-221200- Block Island Sound- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Patchy fog. Rain. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .FRI...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 15 to 20 kt with gusts up to 35 kt in the afternoon. Seas 5 to 8 ft. Patchy fog. Scattered showers. Vsby 1 to 3 NM. .FRI NIGHT...W winds 20 to 25 kt, increasing to 25 to 30 kt after midnight. Gusts up to 40 kt. Seas 6 to 8 ft. Scattered showers. .SAT...W winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 5 to 8 ft. .SAT NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft. .MON...W winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers. .MON NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers. .TUE...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-221200- Boston Harbor- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds around 10 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. A chance of rain this evening, then rain after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...E winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 25 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Patchy fog. Scattered showers. Vsby 1 to 3 NM. .FRI NIGHT...W winds 15 to 20 kt with gusts up to 35 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Numerous showers and scattered snow showers. .SAT...W winds 15 to 20 kt with gusts up to 35 kt. Waves around 2 ft, except 3 to 5 ft at the outer harbor entrance. Scattered snow showers. .SAT NIGHT...NW winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt after midnight. Waves around 2 ft. .SUN...W winds around 10 kt. Waves around 2 ft. .SUN NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. .MON...W winds around 5 kt. Waves 1 foot or less. A chance of showers. .MON NIGHT...NW winds 5 to 10 kt. Waves around 2 ft. .TUE...N winds around 10 kt. Waves 1 foot or less. .TUE NIGHT...N winds around 10 kt with gusts up to 20 kt. Waves 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. $$ ANZ236-221200- Narragansett Bay- 716 PM EDT Thu Mar 21 2019 ...GALE WARNING IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY AFTERNOON... .TONIGHT...E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 30 kt. Waves 2 to 4 ft. Rain. Patchy fog after midnight with vsby 1 NM or less. .FRI...SW winds 10 to 15 kt. Gusts up to 20 kt, increasing to 30 kt in the afternoon. Waves 2 to 4 ft, except 4 to 7 ft at the bay entrance. Patchy fog. Scattered showers. Vsby 1 NM or less. .FRI NIGHT...W winds 15 to 20 kt. Gusts up to 30 kt, increasing to 40 kt after midnight. Waves 3 to 4 ft, except 4 to 7 ft at the bay entrance. Scattered rain and snow showers. .SAT...W winds 15 to 20 kt. Gusts up to 40 kt, decreasing to 30 kt in the afternoon. Waves 2 to 3 ft, except 4 to 7 ft at the bay entrance. .SAT NIGHT...NW winds 10 to 15 kt with gusts up to 30 kt, becoming W 5 to 10 kt with gusts up to 20 kt after midnight. Waves 2 to 3 ft. .SUN...W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. .SUN NIGHT...W winds 5 to 10 kt. Waves 2 to 3 ft. .MON...W winds around 5 kt. Waves 2 to 3 ft. A chance of showers. .MON NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers. .TUE...N winds around 10 kt. Waves 2 to 3 ft. .TUE NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.