Coastal Waters Forecast
Issued by NWS Boston, MA

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071 FZUS51 KBOX 191740 CWFBOX Coastal Waters Forecast National Weather Service Taunton MA 139 PM EDT Tue Sep 19 2017 COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT TO 25 NM ANZ200-200600- 139 PM EDT Tue Sep 19 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... Seas will continue to build as Hurricane Jose slowly moves north. Although Hurricane Jose is expected to weaken to a Tropical Storm early Wednesday, 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. $$ ANZ250-200600- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 7 ft. Patchy fog. Rain. Vsby 1 NM or less. .TONIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 25 kt. Seas around 10 ft. Patchy fog. Rain in the evening. A chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt, increasing to 35 kt in the afternoon. Seas around 12 ft, building to 17 ft in the afternoon. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions possible. N winds 25 to 30 kt with gusts up to 40 kt. Seas 16 to 17 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the evening. .THU...Tropical storm conditions possible. N winds 25 to 30 kt, diminishing to 20 to 25 kt in the afternoon. Gusts up to 40 kt. Seas 14 to 15 ft. Patchy fog in the morning. .THU NIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 12 to 13 ft. .FRI...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 10 to 11 ft. .FRI NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 8 to 9 ft. .SAT...N winds 5 to 10 kt. Seas 7 to 8 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 5 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-200600- Massachusetts Bay and Ipswich Bay- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 5 ft. Patchy fog. Rain. Vsby 1 NM or less. .TONIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 25 kt. Seas around 8 ft. Patchy fog. Rain in the evening. A chance of showers after midnight. 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 30 kt. Seas around 10 ft, building to 12 ft in the afternoon. Patchy fog. A chance of showers. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions possible. N winds 20 to 25 kt with gusts up to 35 kt. Seas 11 to 12 ft. Patchy fog. A chance of showers in the evening with vsby 1 to 3 NM. .THU...Tropical storm conditions possible. N winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Gusts up to 35 kt. Seas around 11 ft. Patchy fog in the morning. .THU NIGHT...NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 9 ft. .FRI...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 8 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt after midnight. Seas around 6 ft. .SAT...NE winds 5 to 10 kt. Seas around 5 ft. .SAT NIGHT...E winds around 5 kt, becoming N after midnight. Seas around 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. $$ ANZ231-200600- Cape Cod Bay- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. Patchy fog. Rain. Vsby 1 NM or less. .TONIGHT...Tropical storm conditions possible. NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Patchy fog in the evening. Patchy dense fog after midnight. Rain in the evening. A chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 15 to 20 kt with gusts up to 30 kt, increasing to 20 to 25 kt with gusts up to 40 kt in the afternoon. Seas around 7 ft, building to 11 ft in the afternoon. Patchy dense fog in the morning. Patchy fog in the afternoon. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas around 11 ft, subsiding to 9 ft after midnight. Patchy fog. Rain likely in the evening, then a chance of showers after midnight. Vsby 1 NM or less in the evening. .THU...Tropical storm conditions possible. N winds 20 to 25 kt with gusts up to 40 kt. Seas around 9 ft. Patchy fog in the morning. .THU NIGHT...NE winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 7 ft. .FRI...N winds 20 to 25 kt with gusts up to 30 kt. Seas around 6 ft. .FRI NIGHT...NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 4 to 5 ft. .SAT...N winds 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-200600- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 11 ft. Patchy fog. Rain with isolated tstms. Vsby 1 NM or less. .TONIGHT...Tropical storm conditions expected. NE winds 15 to 20 kt, increasing to 30 to 35 kt after midnight. Seas around 11 ft, building to 13 ft after midnight. S and E of Nantucket, seas around 15 ft, building to 19 ft after midnight. Patchy fog in the evening. Patchy dense fog after midnight. Rain in the evening. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 30 to 40 kt. Gusts up to 50 kt in the afternoon. Seas around 20 ft, building to 22 ft in the afternoon. Patchy dense fog in the morning, then patchy fog in the afternoon. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 30 to 40 kt, diminishing to 25 to 30 kt after midnight. Gusts up to 50 kt. Seas around 22 ft, subsiding to 20 ft after midnight. Patchy fog. Rain likely. 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 45 kt. Seas 17 to 18 ft. A chance of showers. Patchy fog in the morning. .THU NIGHT...NE winds 25 to 30 kt with gusts up to 40 kt. Seas around 16 ft, subsiding to 14 ft after midnight. A chance of showers in the evening. .FRI...N winds 25 to 30 kt with gusts up to 35 kt. Seas 12 to 13 ft. .FRI NIGHT...NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 10 to 11 ft. .SAT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 8 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas around 7 ft, subsiding to 5 ft after midnight. 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. $$ ANZ255-200600- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...Tropical storm conditions possible. NE winds 20 to 25 kt with gusts up to 30 kt. Seas around 13 ft. Patchy fog. Rain with isolated tstms. Vsby 1 to 3 NM. .TONIGHT...Tropical storm conditions expected. NE winds 20 to 25 kt with gusts up to 30 kt, increasing to 30 to 40 kt after midnight. Seas around 13 ft, building to 16 ft after midnight. Patchy fog in the evening. Patchy dense fog after midnight. Rain after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 30 to 40 kt with gusts up to 50 kt. Seas 19 to 20 ft. Patchy fog. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 30 to 40 kt, diminishing to 25 to 30 kt after midnight. Gusts up to 50 kt. Seas around 17 ft, subsiding to 13 ft after midnight. S and E of Nantucket, seas around 20 ft, subsiding to 18 ft after midnight. Patchy fog. Rain likely. Vsby 1 to 3 NM. .THU...Tropical storm conditions possible. N winds 25 to 30 kt with gusts up to 45 kt. Seas around 11 ft, except up to 17 ft S and E of Nantucket. A chance of showers. Patchy fog in the morning. .THU NIGHT...N winds 25 to 30 kt with gusts up to 40 kt. Seas 10 to 11 ft, except 15 to 16 ft S and E of Nantucket. A chance of showers in the evening. .FRI...N winds 25 to 30 kt with gusts up to 35 kt. Seas around 10 ft, except 13 to 14 ft S and E of Nantucket. .FRI NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 8 to 9 ft. .SAT...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Seas 7 to 8 ft. .SAT NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt in the evening. 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. $$ ANZ256-200600- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...Tropical storm conditions possible. NE winds 20 to 25 kt with gusts up to 35 kt. Seas around 14 ft. Patchy fog. Rain with isolated tstms. Vsby 1 to 3 NM. .TONIGHT...Tropical storm conditions expected. NE winds 20 to 25 kt, increasing to 30 to 35 kt after midnight. Seas around 14 ft, building to 16 ft after midnight. Patchy fog. Rain in the evening, then a chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. N winds 30 to 35 kt with gusts up to 45 kt. Seas 17 to 18 ft. Patchy fog. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 45 kt. Seas around 12 ft, subsiding to 7 ft after midnight. Patchy fog. A chance of showers in the evening with vsby 1 to 3 NM. .THU...Tropical storm conditions possible. N winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to 8 ft. Patchy fog in the morning. .THU NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas around 8 ft. .FRI...N winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 8 ft. .FRI NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 6 to 7 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 6 ft. .SAT NIGHT...N winds around 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. $$ ANZ232-200600- Nantucket Sound- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. Patchy fog. Rain with isolated tstms. Vsby 1 NM or less. .TONIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 5 ft. Patchy fog. Rain in the evening. A chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 30 to 35 kt. Gusts up to 45 kt in the afternoon. Seas 8 to 9 ft. Patchy fog. Rain. Vsby 1 NM or less. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 35 kt, diminishing to 20 to 25 kt after midnight. Gusts up to 45 kt. Seas 7 to 8 ft. Patchy fog. Rain likely in the evening, then a chance of showers after midnight. Vsby 1 to 3 NM in the evening. .THU...Tropical storm conditions possible. N winds 25 to 30 kt with gusts up to 40 kt. Seas around 6 ft. Patchy fog in the morning. A chance of showers in the morning. .THU NIGHT...N winds 20 to 25 kt with gusts up to 40 kt. Seas 5 to 6 ft. .FRI...N winds 20 to 25 kt with gusts up to 35 kt. Seas around 5 ft. .FRI NIGHT...N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 5 ft. .SAT...N winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft. .SAT NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 3 ft. Winds and seas higher in and near tstms. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-200600- Vineyard Sound- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. Patchy fog. Rain. Vsby 1 NM or less. .TONIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. Patchy fog. Rain in the evening. A chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 20 to 25 kt, increasing to 25 to 30 kt in the afternoon. Gusts up to 35 kt, increasing to 40 kt in the afternoon. Seas around 6 ft. Patchy fog. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 30 kt, diminishing to around 20 kt after midnight. Gusts up to 40 kt. Seas around 3 ft. Patchy fog. Rain likely in the evening, then a chance of showers after midnight. Vsby 1 to 3 NM in the evening. .THU...Tropical storm conditions possible. N winds 20 to 25 kt with gusts up to 35 kt. Seas around 3 ft, building to 5 ft in the afternoon. Patchy fog in the morning. .THU NIGHT...N winds around 20 kt with gusts up to 30 kt. Seas around 5 ft. .FRI...N winds 20 to 25 kt with gusts up to 30 kt. Seas around 5 ft. .FRI NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. .SAT...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 3 ft. .SAT NIGHT...N winds around 10 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. $$ ANZ234-200600- Buzzards Bay- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 5 ft. Patchy fog. Rain. Vsby 1 NM or less. .TONIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 25 kt. Seas around 5 ft. Patchy fog. Rain in the evening. A chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. NE winds 20 to 25 kt with gusts up to 30 kt, increasing to 25 to 30 kt with gusts up to 40 kt in the afternoon. Seas around 6 ft. Patchy fog. Rain. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...Tropical storm conditions possible. N winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Seas around 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the evening. .THU...N winds 15 to 20 kt with gusts up to 30 kt. Seas around 3 ft, building to 5 ft in the afternoon. Patchy fog in the morning. .THU NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 5 ft. .FRI...N winds 15 to 20 kt with gusts up to 30 kt. Seas around 4 ft. .FRI NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 4 ft, subsiding to 2 ft after midnight. .SAT...N winds around 10 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-200600- Rhode Island Sound- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...Tropical storm conditions possible. NE winds 20 to 25 kt with gusts up to 30 kt. Seas around 11 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .TONIGHT...Tropical storm conditions expected. NE winds 20 to 25 kt with gusts up to 30 kt. Seas 11 to 12 ft. Patchy fog. Rain in the evening, then a chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. N winds 25 to 35 kt with gusts up to 40 kt. Seas 13 to 14 ft. Patchy fog. Rain likely. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...Tropical storm conditions expected. N winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Gusts up to 40 kt. Seas around 8 ft, subsiding to 5 ft after midnight. Patchy fog. A chance of showers. Vsby 1 to 3 NM in the evening. .THU...Tropical storm conditions possible. N winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Seas around 5 ft. Patchy fog in the morning. .THU NIGHT...N winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas around 5 ft. .FRI...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 5 ft. .FRI NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas around 4 ft. .SAT...N winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas around 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. $$ ANZ237-200600- Block Island Sound- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 11 ft. Patchy fog. Rain. Vsby 1 to 3 NM. .TONIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 35 kt. Seas 11 to 12 ft. Patchy fog. Rain in the evening, then a chance of showers after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight. .WED...Tropical storm conditions possible. N winds 15 to 20 kt with gusts up to 35 kt. Seas around 13 ft, subsiding to 11 ft in the afternoon. Patchy fog. A chance of showers in the morning. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 35 kt. Seas around 7 ft, subsiding to 5 ft after midnight. Patchy fog. .THU...N winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft. Patchy fog in the morning. .THU NIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas around 5 ft. .FRI...N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas around 4 ft. .SAT...N winds around 10 kt. Seas around 4 ft. .SAT NIGHT...N winds 5 to 10 kt. Seas around 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-200600- Boston Harbor- 139 PM EDT Tue Sep 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .THIS AFTERNOON...NE winds 10 to 15 kt. Waves around 2 ft. Patchy fog. Rain. Vsby 1 NM or less. .TONIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft, except 6 to 7 ft at the outer harbor entrance. Patchy fog. Rain. Vsby 1 NM or less. .WED...NE winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft, except 8 to 9 ft at the outer harbor entrance. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .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. A chance of showers in the evening. .THU...N winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft, except 8 to 9 ft at the outer harbor entrance. Patchy fog in the morning. .THU NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves around 6 ft, subsiding to 2 ft after midnight. At the outer harbor entrance, waves 7 to 8 ft. .FRI...N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft, except 6 to 7 ft at the outer harbor entrance. .FRI NIGHT...N winds 5 to 10 kt. Waves around 3 ft in the evening, then 1 foot or less. At the outer harbor entrance, waves around 4 ft. .SAT...N winds around 5 kt. Waves 1 foot or less, except 3 to 4 ft at the outer harbor entrance. .SAT NIGHT...E winds around 5 kt, becoming N after midnight. 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. $$ ANZ236-200600- Narragansett Bay- 139 PM EDT Tue Sep 19 2017 ...TROPICAL STORM WARNING IN EFFECT... .THIS AFTERNOON...NE winds 10 to 15 kt with gusts up to 25 kt. Waves around 3 ft, except up to 9 ft at the bay entrance. Patchy fog. Rain. Vsby 1 to 3 NM. .TONIGHT...Tropical storm conditions possible. NE winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft. At the bay entrance, waves around 9 ft, building to 11 ft after midnight. Patchy fog. Rain in the evening, then a chance of showers after midnight. Vsby 1 NM or less. .WED...Tropical storm conditions expected. N winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Gusts up to 30 kt. Waves around 3 ft, except 10 to 11 ft at the bay entrance. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon. .WED NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Waves around 3 ft. At the bay entrance, waves around 6 ft, subsiding to 4 ft after midnight. Patchy fog. A chance of showers. .THU...N winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Patchy fog in the morning. .THU NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. .FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves around 2 ft. .FRI NIGHT...N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Waves around 2 ft. .SAT...N winds 5 to 10 kt. Waves around 2 ft. .SAT NIGHT...N winds 5 to 10 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ 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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