fzus51 klwx 301457
cwflwx
expires:202607302000;;337532

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu jul 30 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.


anz531-302000-
chesapeake bay from pooles island to sandy point-
1057 am edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...nw winds 10 to 15 kt with gusts to 25 kt. waves
2 ft. 
.tonight...n winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...nw winds around 5 kt. waves 1 ft or less. 
.fri night...s winds 5 kt. waves less than 1 ft. 
.sat...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon. waves
1 ft. 
.sat night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers
through the day. showers likely with a chance of tstms through the
night. 
.mon...ne winds around 5 kt. waves 1 ft or less. a chance of
showers. a chance of tstms through the night.  

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

$$

fzus51 klwx 301457
cwflwx
expires:202607302000;;337535

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu jul 30 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.


anz532-302000-
chesapeake bay from sandy point to north beach-
1057 am edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...nw winds 10 to 15 kt with gusts to 25 kt. waves
2 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...n winds 5 kt. waves less than 1 ft. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 5 kt...increasing to 10 to 15 kt with gusts to 20 kt
in the afternoon. waves 1 to 2 ft. 
.sat night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sun...s winds 10 to 15 kt. waves 2 to 3 ft...subsiding to 1 ft
after midnight. a chance of showers in the afternoon. showers likely
with a chance of tstms through the night. 
.mon...ne winds 5 kt. waves less than 1 ft. a chance of showers. a
chance of tstms through the night.  

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

$$

fzus51 klwx 301457
cwflwx
expires:202607302000;;337537

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu jul 30 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.


anz533-302000-
chesapeake bay from north beach to drum point-
1057 am edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...nw winds 10 to 15 kt with gusts to 25 kt. waves
2 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...n winds 5 kt. waves less than 1 ft. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 5 kt...increasing to 15 to 20 kt in the afternoon.
waves 1 to 2 ft. 
.sat night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sun...s winds 10 to 15 kt. waves 1 ft...building to 3 ft in the
afternoon and evening, then subsiding to 1 ft after midnight. a
chance of showers in the afternoon. showers likely with a chance of
tstms through the night. 
.mon...e winds 5 kt. waves less than 1 ft. a chance of showers.  

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

$$

fzus51 klwx 301457
cwflwx
expires:202607302000;;337540

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu jul 30 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.


anz534-302000-
chesapeake bay from drum point to smith point-
1057 am edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...nw winds 10 to 15 kt with gusts to 20 kt. waves
2 to 3 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...n winds around 5 kt. waves 1 ft or less. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 5 kt...increasing to 10 to 15 kt with gusts to 20 kt
in the afternoon. waves 1 to 2 ft. 
.sat night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sun...s winds 10 to 15 kt. waves 2 to 3 ft. a chance of showers in
the afternoon. showers likely with a chance of tstms through the
night. 
.mon...s winds 5 to 10 kt...becoming se after midnight. waves 1 ft.
showers likely in the morning, then a chance of showers and tstms.  

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

$$

fzus51 klwx 301457
cwflwx
expires:202607302000;;337528

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu jul 30 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.


anz535-302000-
tidal potomac from key bridge to indian head-
1057 am edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...nw winds 10 to 15 kt with gusts to 20 kt. waves
1 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 ft. 
.fri...nw winds around 5 kt. waves 1 ft. 
.fri night...s winds around 5 kt. waves 1 ft. 
.sat...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon. waves
1 ft. 
.sat night...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers likely with a chance of tstms. 
.mon...ne winds around 5 kt. waves 1 ft. a chance of showers. a
chance of tstms through the night.  

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

$$

fzus51 klwx 301457
cwflwx
expires:202607302000;;337529

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu jul 30 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.


anz536-302000-
tidal potomac from indian head to cobb island-
1057 am edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...nw winds 10 to 15 kt with gusts to 20 kt. waves
1 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 ft. 
.fri...nw winds around 5 kt. waves 1 ft. 
.fri night...s winds around 5 kt. waves 1 ft. 
.sat...s winds 5 to 10 kt. waves 1 ft. 
.sat night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.sun...s winds 5 to 10 kt. waves 1 ft. a chance of showers in the
afternoon. a chance of tstms. showers likely through the night. 
.mon...ne winds around 5 kt. waves 1 ft or less. a chance of
showers.  

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

$$

fzus51 klwx 301457
cwflwx
expires:202607302000;;337530

coastal waters forecast
national weather service baltimore md/washington dc
1057 am edt thu jul 30 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.


anz537-302000-
tidal potomac from cobb island to smith point-
1057 am edt thu jul 30 2026

...small craft advisory in effect until 6 pm edt this evening...

.rest of today...nw winds 10 to 15 kt with gusts to 20 kt. waves
2 ft. 
.tonight...nw winds 5 to 10 kt. waves 1 ft or less. 
.fri...n winds around 5 kt. waves flat. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds around 5 kt...becoming se 10 to 15 kt with gusts to
20 kt in the afternoon. waves 1 to 2 ft. 
.sat night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun...s winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers in
the afternoon. showers likely with a chance of tstms through the
night. 
.mon...s winds around 5 kt. waves 1 ft or less. a chance of showers.
 

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

$$