Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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494 FZUS51 KLWX 190234 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1034 PM EDT Wed Sep 18 2024 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. ANZ500-190800- 1034 PM EDT Wed Sep 18 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... Low pressure will develop off the coast tonight and slowly drift eastward through Friday. A backdoor cold front may push though the area Saturday. Small Craft Advisories may be needed for portions of the waters Thursday, and again Friday night through Sunday. $$ ANZ535-190800- Tidal Potomac from Key Bridge to Indian Head- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...N winds 5 kt. Waves less than 1 ft. Scattered sprinkles late this evening, then scattered showers with vsby 1 to 3 NM. .THU...N winds 5 kt. Waves less than 1 ft. .THU NIGHT...N winds 5 kt. Waves less than 1 ft. .FRI...NE winds 5 kt. Waves less than 1 ft. .FRI NIGHT...NE winds 5 kt. Waves less than 1 ft. .SAT...NE winds 5 kt. Waves less than 1 ft. .SAT NIGHT...E winds around 5 kt. Waves 1 ft. .SUN...E winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 kt. Waves less than 1 ft. $$ ANZ536-190800- Tidal Potomac from Indian Head to Cobb Island- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. Patchy fog. Vsby 1 to 3 NM. .THU...N winds 5 kt. Waves less than 1 ft. .THU NIGHT...NW winds 5 kt. Waves less than 1 ft. .FRI...N winds 5 kt. Waves less than 1 ft. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 kt. Waves less than 1 ft. .SAT NIGHT...E winds 5 kt. Waves less than 1 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. $$ ANZ537-190800- Tidal Potomac from Cobb Island to Smith Point- 1034 PM EDT Wed Sep 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT THURSDAY... .REST OF TONIGHT...NE winds 10 kt. Waves 2 ft. Scattered showers late this evening, then scattered sprinkles. Patchy fog with vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Waves 1 to 2 ft. .THU NIGHT...NW winds 5 kt. Waves less than 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SAT...N winds 5 to 10 kt. Waves 2 ft. .SAT NIGHT...E winds 5 to 10 kt. Waves 2 ft. .SUN...NE winds 10 to 15 kt. Waves 2 to 3 ft. .MON...NE winds 10 to 15 kt. Waves 2 ft. $$ ANZ530-190800- Chesapeake Bay north of Pooles Island- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 10 kt. Waves 1 ft. Scattered sprinkles. .THU...N winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...NE winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. $$ ANZ531-190800- Chesapeake Bay from Pooles Island to Sandy Point- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 5 to 10 kt. Waves 1 ft. Scattered sprinkles. .THU...N winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...NE winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SAT...NE winds 5 to 10 kt. Waves 1 to 2 ft. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft. .MON...NE winds 10 to 15 kt...becoming E. Waves 1 to 2 ft. $$ ANZ538-190800- Patapsco River including Baltimore Harbor- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...N winds 5 kt. Waves less than 1 ft. Scattered sprinkles. .THU...N winds 5 kt. Waves less than 1 ft. .THU NIGHT...N winds 5 kt. Waves less than 1 ft. .FRI...NE winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 kt. Waves less than 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. $$ ANZ539-190800- Chester River to Queenstown MD- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 5 to 10 kt. Waves 1 ft. Scattered sprinkles. .THU...N winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 10 kt. Waves 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. $$ ANZ532-190800- Chesapeake Bay from Sandy Point to North Beach- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 10 kt. Waves 1 to 2 ft. Scattered sprinkles. .THU...N winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SAT...NE winds 10 kt. Waves 1 to 2 ft. .SAT NIGHT...E winds 10 kt. Waves 2 ft. .SUN...NE winds 10 to 15 kt. Waves 2 ft. .MON...NE winds 10 to 15 kt...becoming E. Waves 2 ft. $$ ANZ540-190800- Eastern Bay- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 5 to 10 kt. Waves 1 ft. Scattered sprinkles. .THU...N winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 10 to 15 kt. Waves 1 ft. .MON...E winds 10 kt. Waves 1 ft. $$ ANZ533-190800- Chesapeake Bay from North Beach to Drum Point- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 10 kt. Waves 2 ft. Scattered sprinkles. .THU...N winds 5 to 10 kt. Waves 2 ft. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 2 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SAT...N winds 10 kt. Waves 2 ft. .SAT NIGHT...NE winds 10 kt. Waves 2 ft. .SUN...NE winds 10 to 15 kt. Waves 2 ft. .MON...E winds 10 to 15 kt. Waves 2 ft. $$ ANZ541-190800- Choptank River to Cambridge MD and the Little Choptank River- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 10 kt. Waves 1 ft. Scattered sprinkles. .THU...N winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT...N winds 5 to 10 kt. Waves 1 to 2 ft. .SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft. .MON...NE winds 10 to 15 kt...becoming E. Waves 1 to 2 ft. $$ ANZ542-190800- Patuxent River to Broomes Island MD- 1034 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...NE winds 5 to 10 kt. Waves 1 ft. Scattered showers late this evening, then scattered sprinkles with vsby 1 to 3 NM. .THU...N winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...N winds 5 kt. Waves less than 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. $$ ANZ534-190800- Chesapeake Bay from Drum Point to Smith Point- 1034 PM EDT Wed Sep 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT THURSDAY... .REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers late this evening, then scattered sprinkles. Patchy fog with vsby 1 to 3 NM. .THU...N winds 10 to 15 kt. Waves 2 ft. .THU NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. .FRI...N winds 10 kt. Waves 2 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SAT...N winds 10 to 15 kt. Waves 2 ft. .SAT NIGHT...NE winds 10 to 15 kt. Waves 2 ft. .SUN...NE winds 10 to 15 kt. Waves 2 to 3 ft. .MON...NE winds 10 to 15 kt. Waves 2 to 3 ft. $$ ANZ543-190800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1034 PM EDT Wed Sep 18 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT THURSDAY... .REST OF TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Scattered sprinkles. Patchy fog with vsby 1 to 3 NM. .THU...N winds 10 kt. Waves 1 ft. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 10 kt. Waves 1 ft. .FRI NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT...N winds 10 to 15 kt. Waves 1 to 2 ft. .SAT NIGHT...NE winds 10 kt. Waves 1 ft. .SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft. .MON...NE winds 10 to 15 kt. Waves 1 to 2 ft. $$