National Data Buoy Center NWS Marine Forecast (2024)

FZUS51 KLWX 301444
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1043 AM EDT Sun Jun 30 2024

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Forecasts of wave heights do not include effects of wind directionrelative to tidal currents. Expect higher waves when winds areblowing against the tidal flow.

ANZ500-302000
1043 AM EDT Sun Jun 30 2024

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

A cold front will move through the waters this evening. Showers andthunderstorms will develop during the afternoon to evening hours inassociation with the cold front. A strong area of high pressuresettles over the region through Tuesday. Eventually a warm frontapproaches from the west before passing to the north on Wednesday.Small Craft Advisories are possible for portions of the watersWednesday afternoon into Wednesday night.

ANZ535-302000
Tidal Potomac from Key Bridge to Indian Head
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENINGTHROUGH MONDAY AFTERNOON

REST OF TODAY
SW winds 5 kt. Waves less than 1 ft. Scatteredshowers late this morning, then numerous showers and scattered tstmsthis afternoon.

TONIGHT
W winds 5 to 10 kt...becoming N with gusts to 20 kt aftermidnight. Waves 1 ft. Numerous showers and tstms.

MON
N winds 10 kt with gusts to 20 kt. Waves 1 ft.

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

TUE
E winds around 5 kt. Waves 1 ft.

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

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

THU
SW winds around 5 kt. Waves 1 ft or less. A chance of showersand tstms.

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

ANZ536-302000
Tidal Potomac from Indian Head to Cobb Island
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENINGTHROUGH MONDAY AFTERNOON

REST OF TODAY
SW winds 5 kt. Waves less than 1 ft. Scatteredshowers late this morning, then numerous showers and scattered tstmsthis afternoon.

TONIGHT
SW winds 5 kt...becoming NW 10 to 15 kt with gusts to20 kt in the late evening and overnight. Waves 1 ft. Numerousshowers and tstms. Vsby 1 NM or less.

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

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

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

TUE NIGHT
SE winds 5 kt. Waves less than 1 ft.

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

THU
S winds around 5 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ537-302000
Tidal Potomac from Cobb Island to Smith Point
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
SW winds 5 to 10 kt. Waves 1 ft. Scattered showerslate this morning, then numerous showers and scattered tstms thisafternoon.

TONIGHT
SW winds 5 to 10 kt...becoming N 15 to 20 kt with guststo 30 kt after midnight. Waves 1 ft... building to 3 ft aftermidnight. Numerous showers and tstms. Vsby 1 NM or less.

MON
N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to20 kt late. Waves 2 to 3 ft.

MON NIGHT
N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to2 ft.

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

TUE NIGHT
SE winds 5 to 10 kt. Waves 1 ft.

WED
S winds 10 to 15 kt. Waves 1 to 2 ft.

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ530-302000
Chesapeake Bay north of Pooles Island
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENINGTHROUGH MONDAY AFTERNOON

REST OF TODAY
SW winds 10 kt. Waves 1 ft. Scattered showers latethis morning, then numerous showers and tstms this afternoon.

TONIGHT
W winds 10 to 15 kt...becoming N after midnight. Gusts upto 25 kt. Waves 1 to 2 ft. Numerous showers and tstms. Vsby 1 NM orless.

MON
N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.

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

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

TUE NIGHT
SE winds 5 kt. Waves less than 1 ft.

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

THU
SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showersand tstms.

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

ANZ531-302000
Chesapeake Bay from Pooles Island to Sandy Point
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENINGTHROUGH MONDAY AFTERNOON

REST OF TODAY
S winds 5 to 10 kt. Waves 1 ft. Isolated showerslate this morning, then numerous showers and tstms this afternoon.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt... becoming NWwith gusts to 20 kt late in the evening, then becoming N 15 to 20 ktwith gusts to 30 kt after midnight. Waves 2 to 3 ft. Numerousshowers and tstms. Vsby 1 NM or less.

MON
N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to20 kt in the afternoon. Waves 2 to 3 ft.

MON NIGHT
N winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.

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

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

WED
S winds 10 to 15 kt. Waves 1 to 2 ft.

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ538-302000
Patapsco River including Baltimore Harbor
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENINGTHROUGH MONDAY AFTERNOON

REST OF TODAY
SW winds 5 to 10 kt. Waves 1 ft. Isolated showerslate this morning, then numerous showers and tstms this afternoon.

TONIGHT
W winds 10 to 15 kt...becoming N after midnight. Gusts upto 20 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less.

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

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

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

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

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

THU
S winds 5 kt. Waves less than 1 ft. A chance of showers andtstms.

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

ANZ539-302000
Chester River to Queenstown MD
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENINGTHROUGH MONDAY AFTERNOON

REST OF TODAY
SW winds 5 to 10 kt. Waves 1 ft. Scattered showerslate this morning, then numerous showers and scattered tstms thisafternoon.

TONIGHT
S winds 5 to 10 kt...becoming NW 10 to 15 kt with guststo 20 kt late in the evening, then becoming N 15 to 20 kt with guststo 30 kt after midnight. Waves 1 ft...building to 3 ft aftermidnight. Numerous showers and tstms. Vsby 1 NM or less.

MON
N winds 15 to 20 kt with gusts to 25 kt... diminishing to10 kt late. Waves 2 to 3 ft.

MON NIGHT
N winds 5 to 10 kt. Waves 1 to 2 ft.

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

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

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

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ532-302000
Chesapeake Bay from Sandy Point to North Beach
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
S winds 5 to 10 kt. Waves 1 ft. Scattered showerslate this morning, then numerous showers and scattered tstms thisafternoon.

TONIGHT
S winds 5 to 10 kt...becoming W with gusts to 20 kt latein the evening, then becoming N 15 to 20 kt with gusts to 30 ktafter midnight. Waves 1 ft...building to 3 ft after midnight.Showers and tstms. Vsby 1 NM or less.

MON
N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to20 kt in the afternoon. Waves 2 to 3 ft.

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

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

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

WED
S winds 10 to 15 kt. Waves 1 to 2 ft.

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ540-302000
Eastern Bay
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
SW winds 5 to 10 kt. Waves 1 ft. Scattered showerslate this morning, then numerous showers and scattered tstms thisafternoon.

TONIGHT
S winds 5 to 10 kt...becoming W late in the evening, thenbecoming N 15 to 20 kt with gusts to 25 kt after midnight. Waves1 to 2 ft. Showers and tstms. Vsby 1 NM or less.

MON
N winds 15 to 20 kt...diminishing to 10 kt late. Gusts up to25 kt. Waves 2 ft.

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

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

TUE NIGHT
SE winds 5 to 10 kt. Waves 1 ft.

WED
S winds 10 to 15 kt. Waves 1 ft or less.

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ533-302000
Chesapeake Bay from North Beach to Drum Point
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
S winds 5 to 10 kt. Waves 1 ft. Scattered showerslate this morning, then numerous showers and scattered tstms thisafternoon.

TONIGHT
S winds 5 to 10 kt...becoming W late in the evening, thenbecoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves1 ft...building to 3 ft after midnight. Numerous showers and tstms.Vsby 1 NM or less.

MON
N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to20 kt in the afternoon. Waves 3 ft.

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

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

TUE NIGHT
SE winds 5 to 10 kt. Waves 1 ft.

WED
S winds 5 kt...increasing to 10 to 15 kt. Waves 1 to 2 ft.

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ541-302000
Choptank River to Cambridge MD and the Little Choptank River
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
S winds 5 to 10 kt. Waves 1 ft. Scattered showers.Scattered tstms this afternoon.

TONIGHT
S winds 5 to 10 kt...becoming W late in the evening, thenbecoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves1 to 2 ft. Numerous showers and tstms. Vsby 1 NM or less.

MON
N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to20 kt in the afternoon. Waves 2 ft.

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

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

TUE NIGHT
SE winds 5 to 10 kt. Waves 1 ft.

WED
S winds 10 to 15 kt. Waves 1 ft or less... building to 1 to2 ft.

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ542-302000
Patuxent River to Broomes Island MD
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
SW winds 5 kt. Waves less than 1 ft. Scatteredshowers late this morning, then numerous showers and scattered tstmsthis afternoon.

TONIGHT
S winds 5 to 10 kt...becoming NW 10 to 15 kt with guststo 20 kt in the late evening and early morning, then becoming N withgusts to 20 kt late. Waves 1 ft. Numerous showers and tstms. Vsby1 NM or less.

MON
N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.

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

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

TUE NIGHT
SE winds 5 to 10 kt. Waves 1 ft.

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

THU
S winds 5 to 10 kt. Waves 1 ft. A chance of showers andtstms.

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

ANZ534-302000
Chesapeake Bay from Drum Point to Smith Point
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
S winds 10 kt. Waves 2 ft. Scattered showers latethis morning, then numerous showers and scattered tstms thisafternoon.

TONIGHT
S winds 10 kt with gusts to 20 kt...becoming NW 15 to20 kt with gusts to 30 kt after midnight. Waves 2 ft...building to4 ft after midnight. Showers and numerous tstms. Vsby 1 NM or less.

MON
N winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.

MON NIGHT
NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to3 ft.

TUE
E winds 5 to 10 kt. Waves 1 to 2 ft.

TUE NIGHT
SE winds 5 to 10 kt. Waves 1 ft.

WED
S winds 10 to 15 kt. Waves 1 to 2 ft.

THU
S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers andtstms through the night.

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

ANZ543-302000
Tangier Sound and the inland waters surrounding Bloodsworth Island
1043 AM EDT Sun Jun 30 2024

SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAYAFTERNOON

REST OF TODAY
S winds 10 kt with gusts to 20 kt. Waves 1 ft.Scattered showers late this morning, then numerous showers andscattered tstms this afternoon.

TONIGHT
S winds 10 kt with gusts to 20 kt...becoming NW withgusts to 25 kt after midnight, then becoming N 15 to 20 kt withgusts to 30 kt late. Waves 2 ft. Showers and numerous tstms. Vsby1 NM or less.

MON
N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to20 kt in the afternoon. Waves 2 ft.

MON NIGHT
NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

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

TUE NIGHT
SE winds 5 to 10 kt. Waves 1 ft.

WED
S winds 10 to 15 kt. Waves 1 to 2 ft.

THU
S winds 10 to 15 kt. Waves 1 ft. A chance of showers andtstms through the night.

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

National Data Buoy Center NWS Marine Forecast (2024)
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