fzus51 klwx 180918
cwflwx
expires:202603182230;;892497

coastal waters forecast
national weather service baltimore md/washington dc
518 am edt wed mar 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.


anz531-182230-
chesapeake bay from pooles island to sandy point-
518 am edt wed mar 18 2026

.today...n winds 10 kt...becoming s this afternoon. waves 1 ft or
less. 
.tonight...s winds 5 to 10 kt. waves 1 ft or less. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...nw winds around 5 kt...becoming s in the afternoon. waves
1 ft or less. 
.fri night...s winds 5 to 10 kt. waves 1 ft. rain likely. 
.sat...sw winds 5 to 10 kt. waves 1 ft. rain likely in the morning. 
.sun...sw winds 10 to 15 kt...becoming nw 15 to 20 kt. waves 1 to
2 ft...building to 3 ft after midnight. a chance of rain.  

$$

fzus51 klwx 180918
cwflwx
expires:202603182230;;892500

coastal waters forecast
national weather service baltimore md/washington dc
518 am edt wed mar 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.


anz532-182230-
chesapeake bay from sandy point to north beach-
518 am edt wed mar 18 2026

...small craft advisory in effect until 6 am edt early this
morning...

.today...n winds 10 kt...becoming se this afternoon. waves 1 ft or
less. 
.tonight...se winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.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 rain. 
.sat...w winds 10 to 15 kt...becoming s. waves 1 to 2 ft. a chance
of rain in the morning. 
.sun...sw winds 10 to 15 kt...becoming nw 20 to 25 kt. waves 1 to
2 ft...building to 3 ft after midnight. a chance of rain.  

$$

fzus51 klwx 180918
cwflwx
expires:202603182230;;892502

coastal waters forecast
national weather service baltimore md/washington dc
518 am edt wed mar 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.


anz533-182230-
chesapeake bay from north beach to drum point-
518 am edt wed mar 18 2026

...small craft advisory in effect until 6 am edt early this
morning...

.today...n winds 10 to 15 kt...becoming se 5 kt this afternoon.
waves 1 to 2 ft...subsiding to flat late. 
.tonight...se winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft. 
.fri night...s winds 10 to 15 kt. waves 2 ft. a chance of rain. 
.sat...sw winds 10 to 15 kt...becoming nw in the afternoon, then
becoming s. waves 1 to 2 ft. a chance of rain in the morning. 
.sun...sw winds 10 to 15 kt...becoming nw 20 to 25 kt. waves 1 to
2 ft...building to 3 ft. a chance of rain through the night.  

$$

fzus51 klwx 180918
cwflwx
expires:202603182230;;892505

coastal waters forecast
national weather service baltimore md/washington dc
518 am edt wed mar 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.


anz534-182230-
chesapeake bay from drum point to smith point-
518 am edt wed mar 18 2026

...small craft advisory in effect until 6 am edt early this
morning...

.today...n winds 15 kt with gusts to 20 kt...becoming se 5 kt this
afternoon. waves 2 to 3 ft...subsiding to 1 ft this afternoon. 
.tonight...se winds 5 kt. waves less than 1 ft. 
.thu...se winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft. 
.fri night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of rain. 
.sat...sw winds 10 to 15 kt...becoming s. waves 1 to 2 ft. a chance
of rain in the morning. 
.sun...sw winds 10 to 15 kt...becoming nw 20 to 25 kt. waves 2 to
3 ft...building to 4 ft after midnight. a chance of rain through the
night.  

$$

fzus51 klwx 180918
cwflwx
expires:202603182230;;892493

coastal waters forecast
national weather service baltimore md/washington dc
518 am edt wed mar 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.


anz535-182230-
tidal potomac from key bridge to indian head-
518 am edt wed mar 18 2026

.today...e winds 5 kt. waves less than 1 ft. 
.tonight...se winds around 5 kt. waves 1 ft. 
.thu...s winds around 5 kt. waves 1 ft. 
.thu night...s winds around 5 kt. waves 1 ft. 
.fri...w winds around 5 kt. waves 1 ft or less. 
.fri night...s winds 5 to 10 kt. waves 1 ft. a chance of rain. 
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of rain in the
morning. 
.sun...sw winds 5 to 10 kt...becoming nw. waves 1 ft. a chance of
rain through the night.  

$$

fzus51 klwx 180918
cwflwx
expires:202603182230;;892494

coastal waters forecast
national weather service baltimore md/washington dc
518 am edt wed mar 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.


anz536-182230-
tidal potomac from indian head to cobb island-
518 am edt wed mar 18 2026

.today...n winds 5 to 10 kt...becoming se this afternoon. waves
1 ft. 
.tonight...se winds 5 kt. waves less than 1 ft. 
.thu...s winds 5 kt. waves less than 1 ft. 
.thu night...s winds around 5 kt. waves 1 ft. 
.fri...se winds around 5 kt. waves 1 ft. 
.fri night...s winds 5 to 10 kt. waves 1 ft. a chance of rain. 
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of rain in the
morning. 
.sun...sw winds 5 to 10 kt...becoming nw 10 to 15 kt. waves 1 ft. a
chance of rain through the night.  

$$

fzus51 klwx 180918
cwflwx
expires:202603182230;;892495

coastal waters forecast
national weather service baltimore md/washington dc
518 am edt wed mar 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.


anz537-182230-
tidal potomac from cobb island to smith point-
518 am edt wed mar 18 2026

...small craft advisory in effect until 6 am edt early this
morning...

.today...n winds 10 to 15 kt with gusts to 20 kt... becoming e 5 kt
this afternoon. waves 1 to 2 ft. 
.tonight...se winds 5 kt. waves flat. 
.thu...se winds 5 to 10 kt. waves 1 ft. 
.thu night...s 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 to 15 kt. waves 1 ft. a chance of rain. 
.sat...sw winds 10 to 15 kt...becoming w in the afternoon, then
becoming s. waves 1 to 2 ft. a chance of rain in the morning. 
.sun...sw winds 10 to 15 kt...becoming nw 15 to 20 kt. waves 1 to
2 ft...building to 3 ft after midnight. a chance of rain through the
night.  

$$