fzus51 klwx 302239
cwflwx
expires:202607310800;;357298

coastal waters forecast
national weather service baltimore md/washington dc
639 pm 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.


anz531-310800-
chesapeake bay from pooles island to sandy point-
639 pm edt thu jul 30 2026

.tonight...n winds 5 to 10 kt. waves 1 to 2 ft...subsiding to flat
after midnight. 
.fri...n winds around 5 kt. waves 1 ft or less. 
.fri night...s winds 5 kt. waves less than 1 ft. 
.sat...s winds around 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. waves 2 ft. 
.sun...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely with a chance of tstms. 
.mon...s winds 5 to 10 kt. waves 1 ft. showers likely through the
day. a chance of tstms. a chance of showers in the evening. 
.tue...e winds 5 to 10 kt. waves 1 ft or less. a chance of showers
through the night.  

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

$$

fzus51 klwx 302239
cwflwx
expires:202607310800;;357301

coastal waters forecast
national weather service baltimore md/washington dc
639 pm 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.


anz532-310800-
chesapeake bay from sandy point to north beach-
639 pm edt thu jul 30 2026

.tonight...n winds 15 kt...diminishing to 5 kt late this evening and
overnight. waves 1 to 2 ft...subsiding to flat after midnight. 
.fri...ne winds 5 kt. waves flat. 
.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 25 kt
in the afternoon. waves 1 ft...building to 3 ft in the afternoon. 
.sat night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sun...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 2 to 3 ft. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. showers likely with a chance of tstms. 
.mon...s winds 5 to 10 kt. waves 1 ft. a chance of tstms. showers
likely through the day, then a chance of showers through the night. 
.tue...e winds 5 to 10 kt...becoming s after midnight. waves 1 ft. a
chance of showers through the night.  

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

$$

fzus51 klwx 302239
cwflwx
expires:202607310800;;357303

coastal waters forecast
national weather service baltimore md/washington dc
639 pm 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.


anz533-310800-
chesapeake bay from north beach to drum point-
639 pm edt thu jul 30 2026

.tonight...n winds 5 to 10 kt. waves 1 to 2 ft...subsiding to flat
late. 
.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...becoming se 15 to 20 kt with gusts to 25 kt in
the afternoon. waves 1 ft...building to 3 ft in the afternoon. 
.sat night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sun...s winds 10 kt...increasing to 15 to 20 kt with gusts to 25 kt
in the afternoon. waves 2 to 3 ft. 
.sun night...s winds 15 to 20 kt. gusts up to 25 kt in the evening.
waves 2 to 3 ft. showers likely with a chance of tstms. 
.mon...s winds 5 to 10 kt. waves 1 ft. a chance of tstms. showers
likely . 
.tue...e winds 5 to 10 kt...becoming s after midnight. waves 1 ft. a
chance of showers through the night.  

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

$$

fzus51 klwx 302239
cwflwx
expires:202607310800;;357306

coastal waters forecast
national weather service baltimore md/washington dc
639 pm 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.


anz534-310800-
chesapeake bay from drum point to smith point-
639 pm edt thu jul 30 2026

.tonight...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.fri...n winds around 5 kt. waves flat. 
.fri night...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 5 kt...becoming se 10 to 15 kt with gusts to 25 kt in
the afternoon. waves 1 ft...building to 3 ft in the afternoon. 
.sat night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.sun...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 2 to 3 ft. 
.sun night...s winds 10 to 15 kt with gusts to 25 kt. waves 2 to
3 ft. showers likely with a chance of tstms. 
.mon...sw winds 10 to 15 kt. waves 1 to 2 ft. a chance of tstms.
showers likely . 
.tue...s winds 5 to 10 kt. waves 1 ft. a chance of showers.  

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

$$

fzus51 klwx 302239
cwflwx
expires:202607310800;;357294

coastal waters forecast
national weather service baltimore md/washington dc
639 pm 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.


anz535-310800-
tidal potomac from key bridge to indian head-
639 pm edt thu jul 30 2026

.tonight...n winds 5 to 10 kt...becoming nw after midnight. 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 with gusts to 20 kt. waves 1 ft. a chance
of showers. 
.sun night...s winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. showers likely with a chance of tstms. 
.mon...s winds 5 to 10 kt...becoming e after midnight. waves 1 ft.
showers likely. a chance of tstms through the night, then a chance
of showers after midnight. 
.tue...e winds around 5 kt. waves 1 ft or less. a chance of showers
through the night.  

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

$$

fzus51 klwx 302239
cwflwx
expires:202607310800;;357295

coastal waters forecast
national weather service baltimore md/washington dc
639 pm 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.


anz536-310800-
tidal potomac from indian head to cobb island-
639 pm edt thu jul 30 2026

.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. 
.sun night...s winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.mon...s winds around 5 kt. waves 1 ft. showers likely. a chance of
tstms through the night, then a chance of showers after midnight. 
.tue...se winds around 5 kt. waves 1 ft. a chance of showers through
the night.  

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

$$

fzus51 klwx 302239
cwflwx
expires:202607310800;;357296

coastal waters forecast
national weather service baltimore md/washington dc
639 pm 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.


anz537-310800-
tidal potomac from cobb island to smith point-
639 pm edt thu jul 30 2026

.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 with gusts to 20 kt. waves 1 to 2 ft. 
.sun night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers likely with a chance of tstms. 
.mon...s winds 5 to 10 kt. waves 1 ft. showers likely. a chance of
tstms. a chance of showers after midnight. 
.tue...s 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.

$$