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 200227 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 1027 PM EDT Tue Sep 19 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-201515- 1027 PM EDT Tue Sep 19 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Seas will continue to build as Tropical Jose slowly moves north. Mariners can expect the highest winds and heavier rain bands across the waters off the south coast through at least mid week. Mariners should monitor the latest forecasts from the National Hurricane Center at www.nhc.noaa.gov. 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. $$ ANZ250-201515- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to 9 ft. Patchy fog. Isolated tstms. Rain likely, then a chance of rain. Vsby 1 NM or less. .WED...Tropical storm conditions possible. NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 35 kt. Seas around 11 ft, building to 14 ft in the afternoon. Patchy dense fog. A chance of rain in the afternoon. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions possible. NE winds 20 to 25 kt, becoming N 25 to 30 kt after midnight. Seas 15 to 16 ft. Patchy fog. A chance of rain. Vsby 1 NM or less, increasing to 1 to 3 NM after midnight. .THU...Tropical storm conditions possible. N winds 25 to 30 kt with gusts up to 40 kt. Seas around 16 ft. Patchy fog in the morning. .THU NIGHT...NE winds 20 to 25 kt with gusts up to 40 kt. Seas around 15 ft, subsiding to 13 ft after midnight. .FRI...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 12 to 13 ft. .FRI NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 35 kt. Seas 10 to 11 ft. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas 7 to 8 ft. .SAT NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas around 6 ft. .SUN...NE winds 5 to 10 kt. Seas around 5 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 4 to 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-201515- Massachusetts Bay and Ipswich Bay- 1027 PM EDT Tue Sep 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .OVERNIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Patchy fog. Patchy dense fog. Isolated tstms. Rain, then a chance of rain. Vsby 1 NM or less. .WED...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 25 kt, increasing to 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas around 8 ft, building to 10 ft in the afternoon. Patchy fog. A chance of rain. Vsby 1 NM or less. .WED NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas around 11 ft. Patchy fog in the evening with vsby 1 NM or less. .THU...N winds 20 to 25 kt with gusts up to 40 kt. Seas 11 to 12 ft. .THU NIGHT...NE winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas around 12 ft, subsiding to 9 ft after midnight. .FRI...N winds 20 to 25 kt, becoming NE 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 8 to 9 ft. .FRI NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 30 kt. Seas 6 to 7 ft. .SAT...N winds 5 to 10 kt with gusts up to 25 kt. Seas 5 to 6 ft. .SAT NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...NE winds 5 to 10 kt. Seas around 3 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 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. $$ ANZ231-201515- Cape Cod Bay- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas around 4 ft. Patchy fog. Rain with isolated tstms. A chance of rain. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas around 6 ft, building to 9 ft in the afternoon. Patchy dense fog. A chance of rain in the morning. Rain likely in the afternoon. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 20 to 25 kt with gusts up to 40 kt. Seas around 9 ft. Patchy fog. Rain likely, mainly in the evening with vsby 1 NM or less. .THU...Tropical storm conditions possible. N winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 9 to 10 ft. Patchy fog in the morning. A chance of showers in the morning. .THU NIGHT...NE winds 20 to 25 kt with gusts up to 40 kt. Seas 8 to 9 ft. .FRI...N winds 20 to 25 kt with gusts up to 40 kt. Seas 7 to 8 ft. .FRI NIGHT...N winds 15 to 20 kt with gusts up to 40 kt, diminishing to 10 to 15 kt with gusts up to 30 kt after midnight. Seas 5 to 6 ft. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas around 5 ft. .SAT NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 2 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-201515- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions expected. E winds 15 to 20 kt with gusts up to 25 kt, becoming NE 30 to 35 kt. Seas 11 to 12 ft. S and E of Nantucket, seas around 14 ft, building to 18 ft. Patchy dense fog. A chance of rain with isolated tstms. A chance of showers. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 30 to 35 kt, becoming 25 to 35 kt in the afternoon. Gusts up to 45 kt, increasing to 50 kt in the afternoon. Seas around 14 ft, building to 19 ft in the afternoon. S and E of Nantucket, seas 20 to 21 ft. Patchy fog. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 35 kt with gusts up to 50 kt. Seas 18 to 19 ft. Patchy fog. Rain. Vsby 1 NM or less. .THU...Tropical storm conditions expected. N winds 25 to 35 kt with gusts up to 50 kt. Seas 18 to 19 ft. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM. .THU NIGHT...Tropical storm conditions possible. NE winds 25 to 30 kt with gusts up to 45 kt. Seas around 20 ft, subsiding to 15 ft after midnight. A chance of showers after midnight. .FRI...NE winds 25 to 30 kt with gusts up to 45 kt. Seas 14 to 15 ft. .FRI NIGHT...NE winds 20 to 25 kt with gusts up to 45 kt, becoming N 15 to 20 kt with gusts up to 35 kt after midnight. Seas around 13 ft, subsiding to 11 ft after midnight. .SAT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 9 to 10 ft. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 30 kt. Seas around 8 ft. .SUN...NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Gusts up to 25 kt. Seas 6 to 7 ft. .SUN NIGHT...NE winds 5 to 10 kt with gusts up to 20 kt. Seas 6 to 7 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. $$ ANZ255-201515- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions expected. NE winds around 20 kt with gusts up to 25 kt, increasing to 30 to 40 kt. Seas around 13 ft, building to 16 ft. A chance of showers. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 30 to 40 kt with gusts up to 50 kt. Seas 17 to 18 ft. Patchy fog. Rain. A chance of tstms in the morning. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 30 to 40 kt, diminishing to 25 to 35 kt after midnight. Gusts up to 55 kt. Seas around 18 ft. Patchy fog. Rain. Vsby 1 NM or less. .THU...Tropical storm conditions expected. N winds 25 to 35 kt with gusts up to 50 kt. Seas 16 to 17 ft. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM. .THU NIGHT...Tropical storm conditions possible. N winds 25 to 35 kt with gusts up to 45 kt. Seas around 18 ft, subsiding to 13 ft after midnight. S and E of Nantucket, seas around 22 ft, subsiding to 16 ft after midnight. A chance of showers after midnight. .FRI...N winds 25 to 30 kt with gusts up to 45 kt. Seas around 13 ft, except 16 to 17 ft S and E of Nantucket. .FRI NIGHT...N winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 45 kt. Seas 11 to 12 ft. .SAT...N winds 15 to 20 kt with gusts up to 35 kt. Seas 9 to 10 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 30 kt. Seas around 8 ft. .SUN...NE winds 10 to 15 kt with gusts up to 25 kt. Seas around 7 ft. .SUN NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 7 to 8 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-201515- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions expected. NE winds 20 to 25 kt, increasing to 25 to 35 kt with gusts up to 40 kt. Seas around 15 ft, building to 17 ft. A chance of showers. Isolated tstms. Vsby 1 NM or less. .WED...Tropical storm conditions expected. N winds 25 to 35 kt with gusts up to 45 kt. Seas 16 to 17 ft. Patchy fog. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 30 kt with gusts up to 45 kt. Seas around 13 ft, subsiding to 10 ft after midnight. Rain likely, mainly in the evening. Patchy fog in the evening with vsby 1 NM or less. .THU...Tropical storm conditions possible. N winds 25 to 30 kt with gusts up to 45 kt. Seas 9 to 10 ft. .THU NIGHT...N winds 25 to 30 kt with gusts up to 40 kt. Seas around 10 ft. .FRI...N winds 25 to 30 kt with gusts up to 40 kt. Seas around 11 ft. .FRI NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 45 kt. Seas 9 to 10 ft. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 35 kt. Seas 8 to 9 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 30 kt. Seas around 7 ft. .SUN...NE winds 5 to 10 kt. Gusts up to 25 kt in the morning. Seas around 6 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 7 to 8 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. $$ ANZ232-201515- Nantucket Sound- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. A chance of rain with isolated tstms, then a chance of showers. Patchy fog. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 30 to 35 kt, becoming 25 to 35 kt in the afternoon. Gusts up to 45 kt in the afternoon. Seas around 6 ft, building to 8 ft in the afternoon. Patchy fog. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 30 kt with gusts up to 45 kt. Seas 7 to 8 ft. Patchy fog. Rain. Vsby 1 NM or less. .THU...Tropical storm conditions expected. N winds 25 to 30 kt with gusts up to 45 kt. Seas around 7 ft. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM. .THU NIGHT...N winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas around 7 ft. .FRI...N winds 25 to 30 kt with gusts up to 45 kt. Seas around 7 ft. .FRI NIGHT...N winds 20 to 25 kt with gusts up to 45 kt, diminishing to 15 to 20 kt with gusts up to 35 kt after midnight. Seas 5 to 6 ft. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas around 5 ft. .SAT NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .SUN...NE winds around 10 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt after midnight. Seas 3 to 4 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-201515- Vineyard Sound- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft, building to 7 ft. Showers likely with a slight chance of tstms, then a chance of showers. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less. .WED...Tropical storm conditions expected. NE winds 25 to 30 kt with gusts up to 40 kt. Seas 6 to 7 ft. Patchy fog. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions possible. N winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas around 6 ft, subsiding to 3 ft after midnight. Patchy fog. Rain likely, mainly in the evening with vsby 1 NM or less. .THU...Tropical storm conditions possible. N winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas around 6 ft. A chance of showers in the morning. .THU NIGHT...N winds 20 to 25 kt with gusts up to 40 kt. Seas around 6 ft, subsiding to 4 ft after midnight. .FRI...N winds 20 to 25 kt with gusts up to 35 kt. Seas around 4 ft. .FRI NIGHT...N winds 20 to 25 kt, diminishing to around 15 kt after midnight. Gusts up to 35 kt. Seas around 4 ft. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas around 4 ft. .SAT NIGHT...N winds around 10 kt with gusts up to 25 kt. Seas around 3 ft. .SUN...NE winds around 10 kt. Gusts up to 20 kt in the morning. Seas around 3 ft. .SUN NIGHT...NE winds around 10 kt. Seas around 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. $$ ANZ234-201515- Buzzards Bay- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt. Seas around 4 ft. Rain with a slight chance of tstms, then a chance of showers. Patchy fog. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 15 to 20 kt with gusts up to 30 kt, becoming N 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas 5 to 6 ft. Patchy fog. A chance of rain in the morning, then rain likely in the afternoon. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions possible. N winds 20 to 25 kt with gusts up to 40 kt. Seas around 6 ft, subsiding to 3 ft after midnight. Rain likely, mainly in the evening. Patchy fog in the evening with vsby 1 NM or less. .THU...Tropical storm conditions possible. N winds 20 to 25 kt with gusts up to 40 kt. Seas around 6 ft. A chance of showers in the morning. .THU NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 40 kt. Seas around 6 ft, subsiding to 3 ft after midnight. .FRI...N winds 15 to 20 kt with gusts up to 35 kt. Seas around 3 ft. .FRI NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 35 kt. Seas around 3 ft. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas around 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas around 2 ft. .SUN...NE winds 5 to 10 kt. Seas around 2 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-201515- Rhode Island Sound- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions possible. NE winds 20 to 25 kt. Seas around 11 ft, building to 13 ft. Showers likely with a slight chance of tstms, then a chance of showers. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less. .WED...Tropical storm conditions expected. NE winds 20 to 25 kt, becoming N 25 to 30 kt in the afternoon. Gusts up to 35 kt, increasing to 40 kt in the afternoon. Seas 12 to 13 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions possible. N winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas around 9 ft, subsiding to 7 ft after midnight. A chance of rain. Patchy fog in the evening with vsby 1 to 3 NM. .THU...Tropical storm conditions possible. N winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Gusts up to 40 kt. Seas around 6 ft. .THU NIGHT...N winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 6 ft. .FRI...N winds 20 to 25 kt with gusts up to 40 kt. Seas around 6 ft. .FRI NIGHT...N winds 20 to 25 kt with gusts up to 40 kt, diminishing to 10 to 15 kt with gusts up to 30 kt after midnight. Seas around 5 ft. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas around 5 ft. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 25 kt. Seas 4 to 5 ft. .SUN...NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 4 to 5 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas 5 to 6 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. $$ ANZ237-201515- Block Island Sound- 1027 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .OVERNIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 30 kt. Seas 12 to 13 ft. Showers likely with a slight chance of tstms, then a chance of showers. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less. .WED...Tropical storm conditions possible. N winds 15 to 20 kt with gusts up to 35 kt. Seas around 13 ft, subsiding to 11 ft in the afternoon. Patchy fog. A chance of rain in the morning. Vsby 1 NM or less. .WED NIGHT...N winds 15 to 20 kt with gusts up to 35 kt. Seas around 9 ft, subsiding to 6 ft after midnight. .THU...N winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 6 ft. .THU NIGHT...N winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas around 6 ft. .FRI...N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas around 6 ft. .FRI NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 35 kt. Seas around 6 ft. .SAT...N winds 10 to 15 kt with gusts up to 30 kt. Seas around 5 ft. .SAT NIGHT...N winds 5 to 10 kt with gusts up to 20 kt. Seas 4 to 5 ft. .SUN...NE winds 5 to 10 kt. Seas 4 to 5 ft. .SUN NIGHT...NE winds 5 to 10 kt. Seas around 5 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-201515- Boston Harbor- 1027 PM EDT Tue Sep 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .OVERNIGHT...NE winds 15 to 20 kt. Waves around 5 ft. Patchy fog. Rain with isolated tstms. Vsby 1 NM or less. .WED...NE winds 15 to 20 kt with gusts up to 30 kt. Waves around 4 ft, subsiding to 2 ft in the afternoon. At the outer harbor entrance, waves 7 to 8 ft. Patchy fog. A chance of rain. Vsby 1 NM or less. .WED NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft, except up to 9 ft at the outer harbor entrance. Patchy fog in the evening with vsby 1 NM or less. .THU...N winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft, except 9 to 10 ft at the outer harbor entrance. .THU NIGHT...NE winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft. At the outer harbor entrance, waves around 10 ft, subsiding to 6 ft after midnight. .FRI...N winds 10 to 15 kt with gusts up to 30 kt. Waves around 2 ft, building to 4 ft in the afternoon. At the outer harbor entrance, waves around 6 ft. .FRI NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Gusts up to 25 kt. Waves around 4 ft, subsiding to 2 ft after midnight. .SAT...N winds 5 to 10 kt. Waves around 2 ft in the morning, then 1 foot or less. .SAT NIGHT...NE winds around 5 kt. Waves 1 foot or less. .SUN...NE winds around 5 kt. Waves 1 foot or less. .SUN NIGHT...NE winds around 5 kt, becoming N after midnight. Waves 1 foot or less. 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. $$ ANZ236-201515- Narragansett Bay- 1027 PM EDT Tue Sep 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .OVERNIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 3 ft. At the bay entrance, waves around 9 ft, building to 11 ft. A chance of rain, then a chance of showers. Patchy fog. Vsby 1 NM or less. .WED...Tropical storm conditions possible. N winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft. At the bay entrance, waves around 11 ft, subsiding to 9 ft in the afternoon. Patchy fog. A chance of rain. Vsby 1 to 3 NM. .WED NIGHT...N winds 15 to 20 kt with gusts up to 35 kt. Waves around 3 ft. At the bay entrance, waves around 7 ft, subsiding to 5 ft after midnight. Patchy fog in the evening with vsby 1 to 3 NM. .THU...N winds 15 to 20 kt with gusts up to 40 kt. Waves around 3 ft. .THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft. .FRI...N winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 30 kt. Waves around 3 ft. .SAT...N winds 5 to 10 kt with gusts up to 25 kt. Waves around 3 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves around 3 ft. .SUN...NE winds 5 to 10 kt. Waves around 3 ft. .SUN NIGHT...NE winds around 5 kt. Waves around 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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

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