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 250152 CWFBOX Coastal Waters Forecast National Weather Service Boston/Norton MA 952 PM EDT Wed Apr 24 2019 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-251415- 952 PM EDT Wed Apr 24 2019 .Synopsis for Massachusetts and Rhode Island coastal waters... High pressure over the waters through Thursday. Friday low pressure develops on an approaching frontal boundary. Periods of heavy rain are possible late Friday into Friday night. Windy conditions develop Saturday behind the departing storm system. A weak trough of low pressure moves across the waters Sunday. 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. $$ ANZ250-251415- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Seas around 3 ft. .THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas around 3 ft. .THU NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .FRI...SE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 4 ft, building to 6 ft in the afternoon. Patchy fog. A chance of showers. Vsby 1 NM or less in the afternoon. .FRI NIGHT...SE winds 15 to 20 kt with gusts up to 25 kt. Seas around 7 ft. Patchy fog. Showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 6 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 NM or less. .SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 6 ft. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 4 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 5 to 6 ft. .MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-251415- Massachusetts Bay and Ipswich Bay- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. .THU NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming S 5 to 10 kt after midnight. Seas around 2 ft. .FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft, building to 5 ft in the afternoon. Patchy fog. A chance of showers in the morning, then showers likely in the afternoon with vsby 1 NM or less. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 5 ft. Patchy fog in the morning. A chance of showers in the morning. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft, subsiding to 3 ft after midnight. .SUN...W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas around 3 ft. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 3 ft. A chance of showers. 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. $$ ANZ231-251415- Cape Cod Bay- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. .SUN...W winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 2 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-251415- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 952 PM EDT Wed Apr 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT THURSDAY... .OVERNIGHT...NW winds 5 to 10 kt. Seas around 4 ft. .THU...NW winds 5 to 10 kt, becoming E in the afternoon. Seas 3 to 4 ft. .THU NIGHT...SE winds 5 to 10 kt. Seas around 3 ft. Patchy fog after midnight. .FRI...SE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas around 4 ft, building to 6 ft in the afternoon. Patchy fog. A chance of showers. Vsby 1 NM or less in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas around 6 ft. Patchy fog. Showers likely in the evening, then showers after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 7 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 NM or less. .SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 6 to 7 ft. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 4 to 5 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt, becoming W after midnight. Gusts up to 25 kt. Seas 6 to 7 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 7 ft. .MON NIGHT...W winds 5 to 10 kt. Seas around 5 ft. A chance of showers after midnight. 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. $$ ANZ255-251415- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 952 PM EDT Wed Apr 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT THURSDAY... .OVERNIGHT...NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 5 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Patchy fog after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Patchy fog. Showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...W winds 20 to 25 kt with gusts up to 30 kt. Seas around 8 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 7 to 8 ft. .SUN...SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 5 ft. A chance of showers. .SUN NIGHT...SW winds around 15 kt, becoming NW after midnight. Gusts up to 30 kt. Seas 7 to 8 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 7 to 8 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 6 ft, subsiding to 4 ft after midnight. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-251415- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 952 PM EDT Wed Apr 24 2019 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT THURSDAY... .OVERNIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 3 ft. Patchy fog after midnight. A chance of showers after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft, building to 6 ft in the afternoon. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...W winds 20 to 25 kt with gusts up to 30 kt. Seas around 8 ft. A chance of showers in the morning. .SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 8 ft, subsiding to 6 ft after midnight. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 4 to 5 ft. A chance of showers. .SUN NIGHT...SW winds around 15 kt, becoming NW after midnight. Gusts up to 30 kt. Seas around 7 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 6 to 7 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers after midnight. 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. $$ ANZ232-251415- Nantucket Sound- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming S in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. Showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 3 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas around 4 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-251415- Vineyard Sound- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Seas 2 to 3 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. A chance of showers in the morning. .SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 3 to 4 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas around 5 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas around 3 ft. A chance of showers after midnight. 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. $$ ANZ234-251415- Buzzards Bay- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Seas around 2 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 2 ft in the morning, then 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Patchy fog after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...W winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. A chance of showers in the morning. .SAT NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas 3 to 4 ft. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 3 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas around 4 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-251415- Rhode Island Sound- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt late this evening. Seas around 4 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog after midnight. A chance of showers after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft, building to 5 ft in the afternoon. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 5 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. A chance of showers in the morning. .SAT NIGHT...W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 6 ft. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 4 to 5 ft. A chance of showers. .SUN NIGHT...SW winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas around 6 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 4 to 5 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers after midnight. 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. $$ ANZ237-251415- Block Island Sound- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .THU...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft. .THU NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Patchy fog after midnight. A chance of showers after midnight. .FRI...SE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .FRI NIGHT...S winds 10 to 15 kt, becoming SW after midnight. Gusts up to 25 kt. Seas around 5 ft. Patchy fog. Showers, mainly in the evening. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...W winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. A chance of showers in the morning. .SAT NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Gusts up to 20 kt. Seas around 6 ft, subsiding to 4 ft after midnight. .SUN...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas around 4 ft. A chance of showers. .SUN NIGHT...W winds 10 to 15 kt, becoming NW after midnight. Gusts up to 25 kt. Seas around 5 ft. A chance of showers in the evening. .MON...NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 4 to 5 ft. .MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-251415- Boston Harbor- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Waves 1 foot or less. .THU...N winds 5 to 10 kt, becoming E in the afternoon. Waves 1 foot or less. .THU NIGHT...S winds 5 to 10 kt. Waves 1 foot or less. Patchy fog after midnight. .FRI...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. Patchy fog. A chance of showers. Vsby 1 NM or less in the afternoon. .FRI NIGHT...S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. Showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .SAT...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog in the morning. Showers likely in the morning. .SAT NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves around 2 ft. .SUN...SW winds around 10 kt. Waves 1 foot or less. A chance of showers. .SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt after midnight. Waves around 2 ft. A chance of showers in the evening. .MON...W winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 2 ft in the morning, then 1 foot or less. .MON NIGHT...W winds 5 to 10 kt. Waves 1 foot or less. A chance of showers. 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. $$ ANZ236-251415- Narragansett Bay- 952 PM EDT Wed Apr 24 2019 .OVERNIGHT...NW winds 5 to 10 kt. Waves 2 to 3 ft. .THU...NW winds around 5 kt, becoming SW in the afternoon. Waves around 2 ft. .THU NIGHT...S winds 5 to 10 kt. Waves around 2 ft in the evening, then 1 foot or less. Patchy fog after midnight. A chance of showers after midnight. .FRI...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Gusts up to 20 kt. Waves 3 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...S winds 10 to 15 kt with gusts up to 20 kt. Waves around 4 ft. Patchy fog. Showers. Vsby 1 to 3 NM. .SAT...W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves around 4 ft. A chance of showers in the morning. .SAT NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 3 ft. .SUN...SW winds 5 to 10 kt. Waves around 3 ft. A chance of showers. .SUN NIGHT...W winds around 10 kt with gusts up to 20 kt. Waves around 3 ft. A chance of showers in the evening. .MON...W winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves around 3 ft. .MON NIGHT...SW winds 5 to 10 kt. Waves 2 to 3 ft. A chance of showers after midnight. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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.