642
FZUS51 KLWX 260845
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
445 AM EDT Thu Sep 26 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.

ANZ500-262300-
445 AM EDT Thu Sep 26 2024

.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...

High pressure briefly builds to the north today. The remnants of
Helene spiral around an upper low to the southwest this weekend into
 early next week. Small Craft Advisories may be needed at times
Friday through the weekend.

$$

ANZ535-262300-
Tidal Potomac from Key Bridge to Indian Head-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves less than 1 ft.
Numerous showers with isolated tstms.
.TODAY...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds around 5 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers.
.FRI NIGHT...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SUN...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ536-262300-
Tidal Potomac from Indian Head to Cobb Island-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves less than 1 ft.
Scattered showers with isolated tstms.
.TODAY...SE winds 5 kt. Waves less than 1 ft.
.TONIGHT...SE winds 5 kt. Waves less than 1 ft.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.SAT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ537-262300-
Tidal Potomac from Cobb Island to Smith Point-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 1 ft. Isolated
showers.
.TODAY...SE winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. Waves 1 to 2 ft. Numerous showers.
.FRI NIGHT...SE winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
showers.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.MON...NE winds 10 kt. Waves 2 ft. A chance of showers.

$$

ANZ530-262300-
Chesapeake Bay north of Pooles Island-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered
showers with isolated tstms.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...E winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...E winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ531-262300-
Chesapeake Bay from Pooles Island to Sandy Point-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered
showers with isolated tstms.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.FRI...E winds 5 kt...increasing to 10 to 15 kt in the afternoon.
Waves 1 ft. Numerous showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
.SAT NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ538-262300-
Patapsco River including Baltimore Harbor-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves less than 1 ft.
Numerous showers with isolated tstms.
.TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.TONIGHT...SE winds around 5 kt. Waves 1 ft or less.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.FRI NIGHT...E winds 10 kt. Waves 1 ft. Showers likely.
.SAT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ539-262300-
Chester River to Queenstown MD-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered
showers with isolated tstms.
.TODAY...S winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.FRI NIGHT...E winds 10 kt. Waves 1 ft. Showers likely.
.SAT...E winds 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...E winds 10 kt. Waves 1 ft. A chance of showers.
.SUN...NE winds 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ532-262300-
Chesapeake Bay from Sandy Point to North Beach-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 2 ft. Scattered
showers.
.TODAY...S winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 kt...increasing to 10 to 15 kt with gusts to 20 kt
in the afternoon. Waves 1 to 2 ft. Numerous showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.SAT...E winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.SAT NIGHT...E winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.

$$

ANZ540-262300-
Eastern Bay-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 1 ft. Scattered
showers.
.TODAY...S winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...S winds 5 kt. Waves less than 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.FRI NIGHT...E winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely.
.SAT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NE winds 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ533-262300-
Chesapeake Bay from North Beach to Drum Point-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 2 ft. Isolated
showers.
.TODAY...SE winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Numerous showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.SAT...SE winds 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...E winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Waves 2 ft. A chance of showers.

$$

ANZ541-262300-
Choptank River to Cambridge MD and the Little Choptank River-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 1 ft. Isolated
showers.
.TODAY...S winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Numerous
showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers.

$$

ANZ542-262300-
Patuxent River to Broomes Island MD-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 5 kt. Waves less than 1 ft.
Isolated showers.
.TODAY...SE winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...SE winds around 5 kt. Waves 1 ft.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Numerous
showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SAT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ534-262300-
Chesapeake Bay from Drum Point to Smith Point-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 2 ft.
.TODAY...SE winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft...
building to 3 ft in the afternoon. Numerous showers.
.FRI NIGHT...SE winds 15 to 20 kt. Waves 3 ft. A chance of showers.
.SAT...S winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...SE winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.SUN...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
.MON...NE winds 10 to 15 kt. Waves 2 ft. A chance of showers.

$$

ANZ543-262300-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
445 AM EDT Thu Sep 26 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

.REST OF THE OVERNIGHT...SE winds 10 kt. Waves 1 ft.
.TODAY...SE winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 10 kt. Waves 1 ft. A chance of showers.
.SUN...E winds 10 kt. Waves 1 ft. A chance of showers.
.MON...NE winds 10 kt. Waves 1 ft. A chance of showers.

$$