HomeForecastsMaryland ForecastsSt. Michaels, MD - Miles River Coastal Forecast

St. Michaels, MD - Miles River Coastal Forecast

FZUS51 KLWX 232334
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
734 PM EDT Wed Apr 23 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.

ANZ500-240800-
734 PM EDT Wed Apr 23 2025

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

Weak high pressure builds in for the middle of the week before a
front lifts northward across the area as a warm front on Friday. A
cold front will move through Saturday. Small Craft Advisories may be
needed late Friday into Saturday.

$$

ANZ535-240800-
Tidal Potomac from Key Bridge to Indian Head-
734 PM EDT Wed Apr 23 2025

.TONIGHT...Light winds. Waves 1 ft or less.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers.
.SAT NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

$$

ANZ536-240800-
Tidal Potomac from Indian Head to Cobb Island-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SE winds 5 to 10 kt this evening...becoming light. Waves
1 ft or less.
.THU...SE winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds 10 kt. Waves 1 ft. A chance of showers.
.SAT...W winds 10 kt. Waves 1 ft. Showers.
.SAT NIGHT...NW winds 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.MON...S winds around 5 kt. Waves 1 ft.

$$

ANZ537-240800-
Tidal Potomac from Cobb Island to Smith Point-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SE winds 5 to 10 kt until early morning... becoming
light. Waves 1 ft or less.
.THU...E winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 10 to 15 kt...becoming W in the afternoon. Waves
1 ft. Showers likely.
.SAT NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers and tstms.
.SUN...N winds 10 to 15 kt...becoming NE 5 to 10 kt. Waves 1 to
2 ft.
.MON...W winds 5 kt...becoming S. Waves 1 ft.

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

$$

ANZ530-240800-
Chesapeake Bay north of Pooles Island-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SW winds around 5 kt. Waves 1 ft or less.
.THU...S winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...S winds around 5 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 10 to 15 kt...diminishing to around 5 kt after
midnight. Waves 1 ft.
.MON...SW winds around 5 kt. Waves 1 ft.

$$

ANZ531-240800-
Chesapeake Bay from Pooles Island to Sandy Point-
734 PM EDT Wed Apr 23 2025

.TONIGHT...S winds around 5 kt. Waves flat.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 10 to 15 kt. Waves 2 ft. A chance of showers.
.SAT...SW winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 to 2 ft.
Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt...diminishing to 5 kt. Waves 1 to 2 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ538-240800-
Patapsco River including Baltimore Harbor-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SE winds 10 kt early this evening...becoming light. Waves
flat.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt until early morning... becoming
light. Waves 1 ft or less.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 5 to 10 kt. Waves 1 ft. Showers.
.SAT NIGHT...NW winds 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft or less.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ539-240800-
Chester River to Queenstown MD-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SW winds around 5 kt. Waves flat.
.THU...S winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 10 kt. Waves 1 ft. Showers.
.SAT NIGHT...NW winds 10 to 15 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt...diminishing to 5 kt. Waves 1 to 2 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ532-240800-
Chesapeake Bay from Sandy Point to North Beach-
734 PM EDT Wed Apr 23 2025

.TONIGHT...S winds 5 to 10 kt. Waves flat.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves flat...building to 2 ft in the
afternoon.
.FRI NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.SAT...SW winds 10 to 15 kt...becoming W in the afternoon. Waves
1 to 2 ft. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt...diminishing to 5 kt. Waves 1 to 2 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ540-240800-
Eastern Bay-
734 PM EDT Wed Apr 23 2025

.TONIGHT...S winds 5 to 10 kt until early morning...becoming light.
Waves flat.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 10 kt. Waves 1 ft. Showers.
.SAT NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 10 to 15 kt...diminishing to 5 kt. Waves 1 ft or
less.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ533-240800-
Chesapeake Bay from North Beach to Drum Point-
734 PM EDT Wed Apr 23 2025

.TONIGHT...S winds 5 to 10 kt. Waves flat.
.THU...SE winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves flat...building to 2 ft in the
afternoon.
.FRI NIGHT...S winds 10 to 15 kt. Waves 2 ft. A chance of showers.
.SAT...SW winds 10 to 15 kt...becoming W in the afternoon. Waves
2 ft. Showers.
.SAT NIGHT...N winds 15 to 20 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt...diminishing to 5 kt after midnight.
Waves 1 to 2 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ541-240800-
Choptank River to Cambridge MD and the Little Choptank River-
734 PM EDT Wed Apr 23 2025

.TONIGHT...S winds 5 to 10 kt until early morning...becoming light.
Waves flat.
.THU...S winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of
showers.
.SAT...SW winds 10 to 15 kt...becoming W in the afternoon. Waves
1 to 2 ft. Showers.
.SAT NIGHT...NW winds 15 to 20 kt. Waves 2 ft.
.SUN...N winds 10 to 15 kt...diminishing to 5 kt. Waves 1 to 2 ft.
.MON...S winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ542-240800-
Patuxent River to Broomes Island MD-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SE winds 5 to 10 kt this evening...becoming light. Waves
1 ft or less.
.THU...SE winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SAT...SW winds 10 kt. Waves 1 ft. Showers.
.SAT NIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt. Waves 1 ft.
.MON...W winds 5 kt...becoming S. Waves 1 ft.

$$

ANZ534-240800-
Chesapeake Bay from Drum Point to Smith Point-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SE winds 5 to 10 kt until early morning... becoming
light. Waves 1 ft or less.
.THU...SE winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 5 to 10 kt. Waves 1 to 2 ft.
.FRI NIGHT...S winds 10 to 15 kt. Waves 2 ft. A chance of showers.
.SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.SAT NIGHT...N winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
showers and tstms.
.SUN...N winds 15 to 20 kt...becoming NE 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft.
.MON...W winds 5 kt...becoming S. Waves 1 ft.

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

$$

ANZ543-240800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
734 PM EDT Wed Apr 23 2025

.TONIGHT...SE winds 5 to 10 kt until early morning... becoming
light. Waves 1 ft or less.
.THU...SE winds 5 to 10 kt. Waves 1 ft or less.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of
showers.
.SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers.
.SAT NIGHT...NW winds 15 to 20 kt. Waves 1 to 2 ft. A chance of
showers and tstms.
.SUN...N winds 15 to 20 kt...diminishing to 5 to 10 kt. Waves 1 to
2 ft.
.MON...NW winds 5 kt...becoming S. Waves 1 ft.

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

$$



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