National Data Buoy Center NWS Marine Forecast (2024)

FZUS51 KLWX 101202
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
802 AM EDT Wed Jul 10 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.

ANZ500-102000
802 AM EDT Wed Jul 10 2024

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

A warm front will continue to sit north of the waters todayushering in more heat and humidity. A cold front will approach thearea from the west later this evening before crossing throughThursday morning. This front stalls in the vicinity of the watersinto the first half of the weekend before dissipating. Dailyafternoon showers and thunderstorms return to the forecast for theend of the week. Small Craft Advisories may be required for much ofthe waters this evening into the night, and possibly again onThursday.

ANZ535-102000
Tidal Potomac from Key Bridge to Indian Head
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 5 to 10 kt. Gusts up to 20 kt late this morning andafternoon. Waves 1 ft. A slight chance of showers and tstms thisafternoon.

TONIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.Waves 1 ft. Showers and tstms likely. Vsby 1 NM or less.

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

THU NIGHT
NW winds around 5 kt. Waves 1 ft. A chance of showers.

FRI
E winds around 5 kt. Waves 1 ft. Showers likely with a chanceof tstms.

FRI NIGHT
S winds around 5 kt. Waves 1 ft. A chance of showersand tstms.

SAT
S winds around 5 kt. Waves 1 ft. A chance of showers in themorning, then a chance of showers and tstms through the night.

SUN
SW winds 5 kt. Waves less than 1 ft.

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

ANZ536-102000
Tidal Potomac from Indian Head to Cobb Island
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 kt. Gusts up to 20 kt late this morning andafternoon. Waves 1 ft. A slight chance of showers and tstms thisafternoon.

TONIGHT
S winds 10 to 15 kt with gusts to 20 kt... becoming W5 kt late. Waves 1 ft. A chance of showers and tstms. Vsby 1 NM orless.

THU
W winds around 5 kt. Waves 1 ft.

THU NIGHT
E winds around 5 kt. Waves 1 ft. A chance of showers.

FRI
E winds around 5 kt. Waves 1 ft. Showers likely with a chanceof tstms.

FRI NIGHT
S winds around 5 kt. Waves 1 ft. A chance of showersand tstms.

SAT
S winds around 5 kt. Waves 1 ft. A chance of showers in themorning, then a chance of showers and tstms through the night.

SUN
SW winds 5 kt. Waves less than 1 ft.

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

ANZ537-102000
Tidal Potomac from Cobb Island to Smith Point
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 20 kt... increasing to20 kt with gusts to 25 kt late. Waves 1 to 2 ft...building to 3 ftlate. A slight chance of showers and tstms this afternoon.

TONIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming SW10 to 15 kt late. Waves 2 to 3 ft. A chance of showers and tstms.Vsby 1 NM or less.

THU
W winds 5 to 10 kt...becoming S late. Waves 1 ft. A chance ofshowers.

THU NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers likely with achance of tstms.

FRI
S winds 5 to 10 kt. Waves 1 ft. Showers with a chance oftstms.

FRI NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers and tstmslikely.

SAT
N winds 5 kt...becoming S. Waves 1 ft. A chance of showersand tstms.

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

ANZ530-102000
Chesapeake Bay north of Pooles Island
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 20 kt... increasing to20 kt with gusts to 25 kt late. Waves 1 to 2 ft. A slight chance ofshowers and tstms.

TONIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming W5 to 10 kt late. Waves 2 ft. Showers likely with a chance of tstms.Vsby 1 NM or less.

THU
W winds 5 to 10 kt. Waves 1 ft.

THU NIGHT
W winds 5 kt. Waves less than 1 ft. A chance ofshowers.

FRI
E winds 5 kt. Waves flat. Showers likely with a chance oftstms.

FRI NIGHT
S winds 5 kt. Waves flat. Showers likely with a chanceof tstms.

SAT
SW winds 5 kt. Waves flat. A chance of showers and tstms.

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

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

ANZ531-102000
Chesapeake Bay from Pooles Island to Sandy Point
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 25 kt... increasing to20 kt with gusts to 25 kt late. Waves 2 to 3 ft.

TONIGHT
S winds 15 to 20 kt with gusts to 30 kt... becoming W10 kt late. Waves 2 to 3 ft. Showers likely with a chance of tstms.

THU
W winds 5 to 10 kt. Waves 1 ft.

THU NIGHT
SW winds 5 to 10 kt...becoming N after midnight. Waves1 ft. A chance of showers.

FRI
E winds 5 kt. Waves less than 1 ft. Showers likely with achance of tstms.

FRI NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers likely with achance of tstms.

SAT
SW winds 5 kt...becoming S. Waves 1 ft. A chance of showersand tstms.

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

ANZ538-102000
Patapsco River including Baltimore Harbor
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 20 kt... increasing to20 kt with gusts to 25 kt late. Waves 1 to 2 ft. A slight chance ofshowers and tstms this afternoon.

TONIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming SW5 to 10 kt after midnight. Waves 1 to 2 ft. Showers likely with achance of tstms.

THU
W winds 5 to 10 kt. Waves 1 ft.

THU NIGHT
NW winds 5 kt. Waves less than 1 ft. A chance ofshowers.

FRI
E winds 5 kt. Waves less than 1 ft. Showers likely with achance of tstms.

FRI NIGHT
S winds around 5 kt. Waves 1 ft or less. Showers likelywith a chance of tstms.

SAT
S winds around 5 kt. Waves 1 ft or less. A chance of showersin the morning, then a chance of showers and tstms through thenight.

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

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

ANZ539-102000
Chester River to Queenstown MD
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 20 kt... increasing to20 kt with gusts to 25 kt late. Waves 1 to 2 ft.

TONIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming W10 kt late. Waves 2 ft. Showers likely with a chance of tstms.

THU
W winds 5 to 10 kt. Waves 1 ft.

THU NIGHT
W winds 5 kt. Waves less than 1 ft. Showers likely.

FRI
SE winds 5 kt. Waves less than 1 ft. Showers likely with achance of tstms.

FRI NIGHT
S winds 5 kt. Waves less than 1 ft. Showers likely witha chance of tstms.

SAT
SW winds 5 kt. Waves less than 1 ft. A chance of showers andtstms.

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

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

ANZ532-102000
Chesapeake Bay from Sandy Point to North Beach
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 25 kt... increasing to20 kt with gusts to 30 kt late. Waves 2 to 3 ft...building to 4 ftlate.

TONIGHT
S winds 20 to 25 kt with gusts to 30 kt... becoming SW10 to 15 kt with gusts to 20 kt after midnight, then becoming Wlate. Waves 3 ft. Showers likely with a chance of tstms.

THU
W winds 5 to 10 kt...becoming S late. Waves 1 ft.

THU NIGHT
S winds 5 to 10 kt...becoming N after midnight. Waves1 ft. Showers likely.

FRI
SE winds 5 to 10 kt. Waves 1 ft. Showers likely with a chanceof tstms.

FRI NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers likely with achance of tstms.

SAT
S winds 5 kt...becoming 5 to 10 kt. Waves 1 ft. A chance ofshowers in the morning, then a chance of showers and tstms throughthe night.

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

ANZ540-102000
Eastern Bay
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 20 kt... increasing to20 kt with gusts to 25 kt late. Waves 1 to 2 ft.

TONIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming W10 kt late. Waves 2 ft. Showers likely with a chance of tstms. Vsby1 NM or less.

THU
W winds 5 to 10 kt...becoming SW late. Waves 1 ft.

THU NIGHT
S winds 5 to 10 kt...becoming N after midnight. Waves1 ft. Showers likely with a chance of tstms.

FRI
SE winds 5 kt. Waves less than 1 ft. Showers with a chance oftstms.

FRI NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers likely with achance of tstms.

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

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

ANZ533-102000
Chesapeake Bay from North Beach to Drum Point
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 20 kt... increasing to20 to 25 kt with gusts to 30 kt this afternoon. Waves 2 to 3 ft...building to 4 ft late.

TONIGHT
S winds 20 to 25 kt with gusts to 30 kt... becoming SW10 to 15 kt with gusts to 20 kt after midnight. Waves 3 ft. Showerslikely with a chance of tstms.

THU
W winds 5 to 10 kt...becoming S late. Waves 1 ft. A chance ofshowers.

THU NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers likely with achance of tstms.

FRI
SE winds 5 to 10 kt. Waves 1 ft. Showers with a chance oftstms.

FRI NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers likely with achance of tstms.

SAT
W winds 5 kt...becoming SE in the afternoon and evening, thenbecoming SW after midnight. Waves 1 ft. A chance of showers andtstms.

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

ANZ541-102000
Choptank River to Cambridge MD and the Little Choptank River
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt with gusts to 20 kt... increasing to20 kt with gusts to 25 kt late. Waves 1 to 2 ft.

TONIGHT
S winds 15 to 20 kt with gusts to 25 kt... becoming SW10 kt late. Waves 2 to 3 ft. Showers likely with a chance of tstms.Vsby 1 NM or less.

THU
W winds 5 to 10 kt...becoming S late. Waves 1 ft. A chance ofshowers.

THU NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers likely with achance of tstms.

FRI
SE winds 5 to 10 kt. Waves 1 ft. Showers with a chance oftstms.

FRI NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers and tstmslikely.

SAT
S winds 5 kt...becoming 5 to 10 kt. Waves 1 ft or less. Achance of showers and tstms.

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

ANZ542-102000
Patuxent River to Broomes Island MD
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 10 to 15 kt. Gusts up to 20 kt... increasing to25 kt late. Waves 1 ft.

TONIGHT
S winds 10 to 15 kt with gusts to 25 kt... becoming SW5 to 10 kt late. Waves 1 ft. Showers likely with a chance of tstms.Vsby 1 NM or less.

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

THU NIGHT
S winds 5 kt. Waves less than 1 ft. Showers likely witha chance of tstms.

FRI
SE winds 5 to 10 kt. Waves 1 ft. Showers with a chance oftstms.

FRI NIGHT
S winds 5 kt. Waves less than 1 ft. Showers and tstmslikely.

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

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

ANZ534-102000
Chesapeake Bay from Drum Point to Smith Point
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 15 to 20 kt. Gusts up to 25 kt... increasing to30 kt late. Waves 2 to 3 ft...building to 4 ft late.

TONIGHT
S winds 15 to 20 kt with gusts to 30 kt... becoming SW10 to 15 kt with gusts to 20 kt late. Waves 3 ft. Showers likelywith a chance of tstms.

THU
W winds 5 to 10 kt...becoming S late. Waves 1 to 2 ft. Achance of showers.

THU NIGHT
S winds 5 to 10 kt. Waves 2 ft. Showers with a chanceof tstms.

FRI
S winds 5 to 10 kt. Waves 1 to 2 ft. Showers with a chance oftstms.

FRI NIGHT
S winds 5 to 10 kt. Waves 2 ft. Showers and tstmslikely.

SAT
W winds 5 to 10 kt...becoming SE in the afternoon andevening, then becoming SW after midnight. Waves 1 ft. Showers likelywith a chance of tstms in the morning, then a chance of showers andtstms through the night.

SUN
SW winds 5 to 10 kt. Waves 1 to 2 ft.

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

ANZ543-102000
Tangier Sound and the inland waters surrounding Bloodsworth Island
802 AM EDT Wed Jul 10 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TODAY
S winds 15 to 20 kt. Gusts up to 25 kt... increasing to30 kt late. Waves 2 to 3 ft.

TONIGHT
S winds 15 to 20 kt with gusts to 30 kt... becoming SW10 to 15 kt with gusts to 20 kt late. Waves 2 to 3 ft. Showerslikely with a chance of tstms.

THU
W winds 10 to 15 kt...becoming S 5 to 10 kt late. Waves 1 ft.A chance of showers.

THU NIGHT
S winds 10 kt. Waves 1 ft. Showers with a chance oftstms.

FRI
S winds 10 kt. Waves 1 ft. Showers with tstms likely.

FRI NIGHT
S winds 5 to 10 kt. Waves 1 ft. Showers and tstmslikely.

SAT
SW winds 5 to 10 kt. Waves 1 ft. Showers likely in themorning. A chance of tstms. A chance of showers through the night.

SUN
SW winds 5 to 10 kt. Waves 1 ft.

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

National Data Buoy Center NWS Marine Forecast (2024)
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