National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 030558
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1258 AM EST Sat Jan 3 2026

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.

ANZ500-032100
1258 AM EST Sat Jan 3 2026

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

Low pressure pushes in from the south through tonight before high pressure returns Sunday. Favorable marine conditions will prevail through tonight, with Small Craft Advisories likely Sunday afternoon. High pressure returns for the start of next week.

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ANZ535-032100
Tidal Potomac from Key Bridge to Indian Head
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 5 kt. Waves less than 1 ft.

SAT
N winds around 5 kt. Waves 1 ft.

SAT NIGHT
Light winds. Waves 1 ft or less.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds around 5 kt. Waves 1 ft.

MON
S winds around 5 kt. Waves 1 ft.

MON NIGHT
S winds around 5 kt. Waves 1 ft.

TUE
S winds around 5 kt. Waves 1 ft or less.

WED
W winds around 5 kt. Waves 1 ft or less.

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ANZ536-032100
Tidal Potomac from Indian Head to Cobb Island
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 5 kt. Waves less than 1 ft.

SAT
NE winds around 5 kt. Waves 1 ft or less.

SAT NIGHT
NE winds around 5 kt. Waves 1 ft or less.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
N winds 5 to 10 kt. Waves 1 ft.

MON
S winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds around 5 kt. Waves 1 ft.

WED
W winds around 5 kt. Waves 1 ft.

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ANZ537-032100
Tidal Potomac from Cobb Island to Smith Point
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 10 kt. Waves 1 ft.

SAT
NE winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NE winds around 5 kt. Waves flat.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
N winds 5 to 10 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft or less.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft or less.

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ANZ530-032100
Chesapeake Bay north of Pooles Island
1258 AM EST Sat Jan 3 2026

OVERNIGHT
NW winds 10 kt. Waves 1 ft.

SAT
NW winds around 5 kt. Waves 1 ft.

SAT NIGHT
N winds around 5 kt. Waves 1 ft or less.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

MON
SE winds around 5 kt. Waves 1 ft.

MON NIGHT
S winds around 5 kt. Waves 1 ft.

TUE
SE winds around 5 kt. Waves 1 ft or less.

WED
NW winds around 5 kt. Waves 1 ft.

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ANZ531-032100
Chesapeake Bay from Pooles Island to Sandy Point
1258 AM EST Sat Jan 3 2026

OVERNIGHT
NW winds 10 kt. Waves 1 ft.

SAT
NW winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
N winds around 5 kt. Waves flat.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft or less.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds around 5 kt. Waves 1 ft or less.

WED
W winds around 5 kt. Waves 1 ft or less.

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ANZ538-032100
Patapsco River including Baltimore Harbor
1258 AM EST Sat Jan 3 2026

OVERNIGHT
NW winds 5 kt. Waves less than 1 ft.

SAT
NW winds around 5 kt. Waves flat.

SAT NIGHT
NW winds around 5 kt. Waves flat.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft or less.

MON
SE winds 5 to 10 kt. Waves 1 ft or less.

MON NIGHT
S winds around 5 kt. Waves 1 ft or less.

TUE
S winds around 5 kt. Waves flat.

WED
NW winds around 5 kt. Waves flat.

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ANZ539-032100
Chester River to Queenstown MD
1258 AM EST Sat Jan 3 2026

OVERNIGHT
NW winds 10 kt. Waves 1 ft.

SAT
NW winds 5 to 10 kt until late afternoon... becoming light. Waves 1 ft.

SAT NIGHT
N winds around 5 kt. Waves flat.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft or less.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds around 5 kt. Waves 1 ft or less.

WED
W winds around 5 kt. Waves 1 ft or less.

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ANZ532-032100
Chesapeake Bay from Sandy Point to North Beach
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
N winds around 5 kt. Waves flat.

SUN
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft or less.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 kt. Waves less than 1 ft.

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ANZ540-032100
Eastern Bay
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt until late afternoon... becoming light. Waves 1 ft.

SAT NIGHT
NE winds around 5 kt. Waves flat.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft or less.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 kt. Waves less than 1 ft.

WED
W winds around 5 kt. Waves 1 ft or less.

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ANZ533-032100
Chesapeake Bay from North Beach to Drum Point
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NE winds around 5 kt. Waves flat.

SUN
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

SUN NIGHT
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft or less.

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ANZ541-032100
Choptank River to Cambridge MD and the Little Choptank River
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NE winds around 5 kt. Waves flat.

SUN
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft or less.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft or less.

WED
W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft or less.

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ANZ542-032100
Patuxent River to Broomes Island MD
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 5 kt. Waves less than 1 ft.

SAT
N winds around 5 kt. Waves 1 ft.

SAT NIGHT
NE winds around 5 kt. Waves 1 ft or less.

SUN
NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
N winds 5 to 10 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 kt. Waves less than 1 ft.

WED
W winds around 5 kt. Waves 1 ft.

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ANZ534-032100
Chesapeake Bay from Drum Point to Smith Point
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NE winds around 5 kt. Waves 1 ft or less.

SUN
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

SUN NIGHT
N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
S winds 5 to 10 kt. Waves 2 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.

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ANZ543-032100
Tangier Sound and the inland waters surrounding Bloodsworth Island
1258 AM EST Sat Jan 3 2026

OVERNIGHT
N winds 10 kt. Waves 1 ft.

SAT
N winds 5 to 10 kt. Waves 1 ft.

SAT NIGHT
NE winds around 5 kt. Waves 1 ft or less.

SUN
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

SUN NIGHT
N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

MON
SE winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
S winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

WED
W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft or less.