fzus51 klwx 180627
cwflwx
expires:202604182000;;564859

coastal waters forecast
national weather service baltimore md/washington dc
226 am edt sat apr 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.


anz531-182000-
chesapeake bay from pooles island to sandy point-
226 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.overnight...ne winds 5 kt. waves flat. 
.sat...e winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt...becoming ne
5 to 10 kt late. waves 1 to 2 ft. a chance of showers. 
.sun...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.sun night...nw winds 10 to 15 kt...becoming w 5 to 10 kt after
midnight. waves 1 to 2 ft. a chance of showers. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.mon night...n winds 10 to 15 kt. waves 1 to 2 ft. 
.tue...n winds 5 kt...becoming s 10 to 15 kt. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming n 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 180627
cwflwx
expires:202604182000;;564862

coastal waters forecast
national weather service baltimore md/washington dc
226 am edt sat apr 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.


anz532-182000-
chesapeake bay from sandy point to north beach-
226 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.overnight...ne winds 5 kt. waves flat. 
.sat...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt with gusts to 20 kt...becoming ne
5 to 10 kt late. waves 2 to 3 ft. a chance of showers. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 10 to 15 kt...becoming w after midnight. waves
1 to 2 ft. a chance of showers. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.tue...n winds 5 to 10 kt...becoming s 10 to 15 kt. waves 1 to 2 ft.
.wed...sw winds 10 to 15 kt...becoming n 5 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 180627
cwflwx
expires:202604182000;;564864

coastal waters forecast
national weather service baltimore md/washington dc
226 am edt sat apr 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.


anz533-182000-
chesapeake bay from north beach to drum point-
226 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.overnight...ne winds 5 kt. waves flat. 
.sat...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.sat night...se winds 15 to 20 kt...becoming w 10 to 15 kt late.
waves 2 to 3 ft. a chance of showers. 
.sun...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 5 to 10 kt. waves 1 to 2 ft. a chance of
showers. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...n winds 10 to 15 kt. waves 2 ft. 
.tue...n winds 5 to 10 kt...becoming se 10 to 15 kt in the afternoon
and evening, then becoming s after midnight. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming n 5 to 10 kt. waves 1 to
2 ft.  

$$

fzus51 klwx 180627
cwflwx
expires:202604182000;;564867

coastal waters forecast
national weather service baltimore md/washington dc
226 am edt sat apr 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.


anz534-182000-
chesapeake bay from drum point to smith point-
226 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through sunday afternoon...

.overnight...n winds 5 kt. waves flat. 
.sat...e winds 10 to 15 kt with gusts to 20 kt... becoming se with
gusts to 20 kt late. waves 1 ft... building to 3 ft in the
afternoon. 
.sat night...se winds 15 kt...becoming s late. gusts up to 20 kt.
waves 3 ft. 
.sun...nw winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
showers.
.sun night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...n winds 5 to 10 kt...becoming s in the afternoon, then
increasing to 15 to 20 kt. waves 1 to 2 ft... building to 3 ft after
midnight. 
.wed...sw winds 15 to 20 kt...becoming w 5 to 10 kt in the afternoon
and evening, then becoming n after midnight. waves 2 to 3 ft...
subsiding to 1 ft.  

$$

fzus51 klwx 180627
cwflwx
expires:202604182000;;564855

coastal waters forecast
national weather service baltimore md/washington dc
226 am edt sat apr 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.


anz535-182000-
tidal potomac from key bridge to indian head-
226 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.overnight...light winds. waves flat. 
.sat...se winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. 
.sat night...se winds 10 to 15 kt with gusts to 25 kt...diminishing
to 5 kt after midnight, then becoming n late. waves 1 ft. a chance
of showers. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 1 to 2 ft.
showers.
.sun night...nw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. 
.mon...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.mon night...n winds 5 to 10 kt. waves 1 ft. 
.tue...sw winds around 5 kt. waves 1 ft. 
.wed...w winds around 5 kt. waves 1 ft or less. a chance of showers
through the night.  

$$

fzus51 klwx 180627
cwflwx
expires:202604182000;;564856

coastal waters forecast
national weather service baltimore md/washington dc
226 am edt sat apr 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.


anz536-182000-
tidal potomac from indian head to cobb island-
226 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through this evening...
...small craft advisory in effect from sunday morning through sunday
afternoon...

.overnight...ne winds around 5 kt. waves flat. 
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.sat night...se winds 10 to 15 kt...becoming w 5 to 10 kt late.
gusts up to 20 kt. waves 1 to 2 ft. a chance of showers. 
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon. gusts up to 30 kt. waves 2 to 3 ft. showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.mon...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.mon night...n winds 5 to 10 kt. waves 1 ft. 
.tue...w winds around 5 kt...becoming s. waves 1 ft. 
.wed...w winds 5 to 10 kt...becoming n after midnight. waves 1 ft. a
chance of showers through the night.  

$$

fzus51 klwx 180627
cwflwx
expires:202604182000;;564857

coastal waters forecast
national weather service baltimore md/washington dc
226 am edt sat apr 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.


anz537-182000-
tidal potomac from cobb island to smith point-
226 am edt sat apr 18 2026

...small craft advisory in effect from 2 pm edt this afternoon
through sunday afternoon...

.overnight...ne winds around 5 kt. waves flat. 
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.sat night...se winds 15 to 20 kt...becoming sw 10 to 15 kt late.
waves 2 ft. 
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 5 to 10 kt. waves 1 to 2 ft. a chance of
showers. 
.mon...nw winds 10 to 15 kt. waves 1 to 2 ft. 
.mon night...n winds 10 to 15 kt. waves 1 to 2 ft. 
.tue...n winds 5 to 10 kt...becoming se 10 to 15 kt in the afternoon
and evening, then becoming s after midnight. waves 1 to 2 ft. 
.wed...sw winds 10 to 15 kt...becoming nw 5 kt. waves 1 to 2 ft.  

$$