fzus51 klwx 181828
cwflwx
expires:202605190800;;779530

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt mon may 18 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.


anz531-190800-
chesapeake bay from pooles island to sandy point-
228 pm edt mon may 18 2026

...small craft advisory in effect until 2 am edt tuesday...

.this afternoon...s winds 10 kt with gusts to 20 kt. waves 1 to
2 ft. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. showers.
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers.
.thu...ne winds 10 to 15 kt...becoming e around 5 kt. waves 1 to
2 ft...subsiding to flat after midnight. showers likely through the
day. a chance of showers through the night. 
.fri...e winds 5 to 10 kt. waves 1 ft. showers. 

$$

fzus51 klwx 181828
cwflwx
expires:202605190800;;779533

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt mon may 18 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.


anz532-190800-
chesapeake bay from sandy point to north beach-
228 pm edt mon may 18 2026

...small craft advisory in effect until 2 am edt tuesday...

.this afternoon...s winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. showers likely. 
.wed night...n winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. showers.
.thu...n winds 10 to 15 kt...becoming e 5 to 10 kt. waves 1 to 2 ft.
showers likely through the day, then a chance of showers through the
night. 
.fri...e winds 5 to 10 kt. waves 1 ft. showers. 

$$

fzus51 klwx 181828
cwflwx
expires:202605190800;;779535

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt mon may 18 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.


anz533-190800-
chesapeake bay from north beach to drum point-
228 pm edt mon may 18 2026

...small craft advisory in effect until 2 am edt tuesday...

.this afternoon...s winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft. 
.tonight...s winds 15 to 20 kt...diminishing to 10 kt after
midnight. waves 2 to 3 ft. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed...s winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers. 
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. showers likely. 
.thu...n winds 15 to 20 kt...becoming e 5 to 10 kt. waves 2 to
3 ft...subsiding to 1 ft. showers likely through the day, then a
chance of showers through the night. 
.fri...e winds 5 to 10 kt. waves 1 to 2 ft. showers. 

$$

fzus51 klwx 181828
cwflwx
expires:202605190800;;779538

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt mon may 18 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.


anz534-190800-
chesapeake bay from drum point to smith point-
228 pm edt mon may 18 2026

...small craft advisory in effect until 2 am edt tuesday...

.this afternoon...se winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft. 
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.tue...s winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 2 to 3 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a chance
of showers. 
.wed night...se winds 10 to 15 kt...becoming n after midnight. gusts
up to 20 kt. waves 2 ft. showers likely. 
.thu...ne winds 10 to 15 kt...becoming e 5 to 10 kt. waves 1 to
2 ft. showers likely through the day, then a chance of showers
through the night. 
.fri...e winds 10 to 15 kt. waves 2 ft. showers likely.  

$$

fzus51 klwx 181828
cwflwx
expires:202605190800;;779526

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt mon may 18 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.


anz535-190800-
tidal potomac from key bridge to indian head-
228 pm edt mon may 18 2026

.this afternoon...s winds 5 to 10 kt. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. 
.tue night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. showers likely. 
.wed night...n winds 5 to 10 kt. waves 1 ft. showers.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely through the
day. a chance of showers through the night. 
.fri...e winds 5 to 10 kt. waves 1 ft. showers. 

$$

fzus51 klwx 181828
cwflwx
expires:202605190800;;779527

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt mon may 18 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.


anz536-190800-
tidal potomac from indian head to cobb island-
228 pm edt mon may 18 2026

.this afternoon...s winds 5 to 10 kt. waves 1 ft. 
.tonight...s winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds 5 to 10 kt. waves 1 ft. 
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.wed night...n winds 5 to 10 kt. waves 1 ft. showers.
.thu...ne winds 5 to 10 kt. waves 1 ft. showers likely through the
day. a chance of showers through the night. 
.fri...e winds 5 to 10 kt. waves 1 ft. showers likely.  

$$

fzus51 klwx 181828
cwflwx
expires:202605190800;;779528

coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt mon may 18 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.


anz537-190800-
tidal potomac from cobb island to smith point-
228 pm edt mon may 18 2026

...small craft advisory in effect until 2 am edt tuesday...

.this afternoon...se winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft. 
.tonight...s winds 10 to 15 kt...becoming sw late. gusts up to
20 kt. waves 1 to 2 ft. 
.tue...s winds 5 to 10 kt. waves 1 to 2 ft. 
.tue night...s winds 10 to 15 kt. waves 2 ft. 
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms. 
.thu...ne winds 10 to 15 kt...becoming e 5 to 10 kt. waves 1 to
2 ft. showers likely through the day. a chance of showers in the
evening, then showers likely after midnight. 
.fri...e winds 10 to 15 kt. waves 2 ft. showers likely.  

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

$$