FZUS51 KLWX 201136
CWFLWX
Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
736 AM EDT Fri Jun 20 2025
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. Waves flat where waters are iced over.
ANZ500-202000-
736 AM EDT Fri Jun 20 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
Behind a strong cold front that tracks through early this morning,
high pressure returns to the waters this weekend into the middle
part of next week. Small Craft Advisories are likely to continue at
times today.
$$
ANZ535-202000-
Tidal Potomac from Key Bridge to Indian Head-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...W winds around 5 kt. Waves 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.TUE...NW winds around 5 kt. Waves 1 ft.
$$
ANZ536-202000-
Tidal Potomac from Indian Head to Cobb Island-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 5 to 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds around 5 kt. Waves 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.TUE...NW winds around 5 kt. Waves 1 ft.
$$
ANZ537-202000-
Tidal Potomac from Cobb Island to Smith Point-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...NW winds 10 to 15 kt with gusts to 20 kt... becoming W 5 kt
this afternoon. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ530-202000-
Chesapeake Bay north of Pooles Island-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ531-202000-
Chesapeake Bay from Pooles Island to Sandy Point-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ538-202000-
Patapsco River including Baltimore Harbor-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...NW winds around 5 kt. Waves flat.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ539-202000-
Chester River to Queenstown MD-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...NW winds around 5 kt. Waves flat.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ532-202000-
Chesapeake Bay from Sandy Point to North Beach-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ540-202000-
Eastern Bay-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds around 5 kt. Waves flat.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ533-202000-
Chesapeake Bay from North Beach to Drum Point-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...W winds 10 kt with gusts to 20 kt...becoming SW late. Waves
1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ541-202000-
Choptank River to Cambridge MD and the Little Choptank River-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ542-202000-
Patuxent River to Broomes Island MD-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.TUE...NW winds around 5 kt. Waves 1 ft.
$$
ANZ534-202000-
Chesapeake Bay from Drum Point to Smith Point-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...NW winds 10 to 15 kt with gusts to 20 kt... becoming SW
5 to 10 kt this afternoon. Waves 1 to 2 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 10 kt. Waves 2 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ543-202000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW
late. Waves 1 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 10 kt. Waves 1 ft.
.SUN...SW winds 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.TUE...NW winds 5 to 10 kt...becoming W. Waves 1 ft.
$$
CWFLWX
Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
736 AM EDT Fri Jun 20 2025
Tidal Potomac River and Maryland portion of Chesapeake Bay.
Forecasts of wave heights do not include effects of wind direction
relative to tidal currents. Expect higher waves when winds are
blowing against the tidal flow. Waves flat where waters are iced over.
ANZ500-202000-
736 AM EDT Fri Jun 20 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
Behind a strong cold front that tracks through early this morning,
high pressure returns to the waters this weekend into the middle
part of next week. Small Craft Advisories are likely to continue at
times today.
$$
ANZ535-202000-
Tidal Potomac from Key Bridge to Indian Head-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...W winds around 5 kt. Waves 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.TUE...NW winds around 5 kt. Waves 1 ft.
$$
ANZ536-202000-
Tidal Potomac from Indian Head to Cobb Island-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 5 to 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds around 5 kt. Waves 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.TUE...NW winds around 5 kt. Waves 1 ft.
$$
ANZ537-202000-
Tidal Potomac from Cobb Island to Smith Point-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...NW winds 10 to 15 kt with gusts to 20 kt... becoming W 5 kt
this afternoon. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ530-202000-
Chesapeake Bay north of Pooles Island-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...SW winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ531-202000-
Chesapeake Bay from Pooles Island to Sandy Point-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ538-202000-
Patapsco River including Baltimore Harbor-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...NW winds around 5 kt. Waves flat.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ539-202000-
Chester River to Queenstown MD-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...NW winds around 5 kt. Waves flat.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ532-202000-
Chesapeake Bay from Sandy Point to North Beach-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ540-202000-
Eastern Bay-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds around 5 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds around 5 kt. Waves flat.
.TUE...NW winds 5 kt. Waves flat.
$$
ANZ533-202000-
Chesapeake Bay from North Beach to Drum Point-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...W winds 10 kt with gusts to 20 kt...becoming SW late. Waves
1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ541-202000-
Choptank River to Cambridge MD and the Little Choptank River-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...W winds 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SW winds 5 kt. Waves less than 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft or less.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 kt. Waves less than 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ542-202000-
Patuxent River to Broomes Island MD-
736 AM EDT Fri Jun 20 2025
.TODAY...W winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds around 5 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.TUE...NW winds around 5 kt. Waves 1 ft.
$$
ANZ534-202000-
Chesapeake Bay from Drum Point to Smith Point-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...NW winds 10 to 15 kt with gusts to 20 kt... becoming SW
5 to 10 kt this afternoon. Waves 1 to 2 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 10 kt. Waves 2 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.TUE...NW winds 5 kt. Waves less than 1 ft.
$$
ANZ543-202000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
736 AM EDT Fri Jun 20 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING...
.TODAY...NW winds 10 to 15 kt with gusts to 25 kt... becoming SW
late. Waves 1 ft.
.TONIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...S winds 10 kt. Waves 1 ft.
.SUN...SW winds 10 kt. Waves 1 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 to 10 kt. Waves 1 ft.
.TUE...NW winds 5 to 10 kt...becoming W. Waves 1 ft.
$$