fzus51 klwx 180857
cwflwx
expires:202606182300;;947707

coastal waters forecast
national weather service baltimore md/washington dc
457 am edt thu jun 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.


anz531-182300-
chesapeake bay from pooles island to sandy point-
457 am edt thu jun 18 2026

...small craft advisory in effect until 9 am edt this morning...
...gale warning in effect from 9 am edt this morning through this
evening...

.rest of the overnight...s winds 15 kt with gusts to 20 kt. waves
2 ft. 
.today...sw winds 15 to 20 kt with gusts to 35 kt. waves 3 ft. a
chance of showers and tstms. 
.tonight...w winds 15 to 20 kt with gusts to 30 kt... diminishing to
5 to 10 kt after midnight. waves 3 ft...subsiding to 1 ft after
midnight. a chance of showers. 
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...nw winds 10 kt. waves 1 ft. 
.sat...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.sat night...w winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 to 2 ft. 
.sun...w winds 5 kt...becoming se. waves 1 ft or less. a chance of
showers and tstms after midnight. 
.mon...s winds 10 to 15 kt...becoming nw. waves 2 ft. showers with a
chance of tstms, then a chance of showers after midnight.  

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

$$

fzus51 klwx 180857
cwflwx
expires:202606182300;;947710

coastal waters forecast
national weather service baltimore md/washington dc
457 am edt thu jun 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.


anz532-182300-
chesapeake bay from sandy point to north beach-
457 am edt thu jun 18 2026

...small craft advisory in effect through this evening...

.rest of the overnight...s winds 15 kt with gusts to 20 kt. waves
3 ft. 
.today...sw winds 15 to 20 kt. gusts up to 25 kt. waves 3 ft. a
chance of showers and tstms. 
.tonight...w winds 10 to 15 kt. gusts up to 25 kt. waves 3 ft...
subsiding to 1 ft after midnight. a chance of showers. 
.fri...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.fri night...nw winds 5 to 10 kt. waves 1 ft. 
.sat...w winds 5 to 10 kt. waves 1 ft. 
.sat night...w winds 5 to 10 kt. waves 1 ft. 
.sun...w winds 5 kt...becoming s. waves 1 ft or less. a chance of
showers after midnight. 
.mon...s winds 10 to 15 kt...becoming nw. waves 2 ft. showers. a
chance of tstms through the night, then a chance of showers after
midnight.  

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

$$

fzus51 klwx 180857
cwflwx
expires:202606182300;;947712

coastal waters forecast
national weather service baltimore md/washington dc
457 am edt thu jun 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.


anz533-182300-
chesapeake bay from north beach to drum point-
457 am edt thu jun 18 2026

...small craft advisory in effect through this evening...

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

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

$$

fzus51 klwx 180857
cwflwx
expires:202606182300;;947715

coastal waters forecast
national weather service baltimore md/washington dc
457 am edt thu jun 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.


anz534-182300-
chesapeake bay from drum point to smith point-
457 am edt thu jun 18 2026

...small craft advisory in effect through this evening...

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

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

$$

fzus51 klwx 180857
cwflwx
expires:202606182300;;947703

coastal waters forecast
national weather service baltimore md/washington dc
457 am edt thu jun 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.


anz535-182300-
tidal potomac from key bridge to indian head-
457 am edt thu jun 18 2026

...small craft advisory in effect until 9 am edt this morning...
...gale warning in effect from 9 am edt this morning through this
evening...

.rest of the overnight...s winds 10 kt with gusts to 20 kt. waves
1 ft. 
.today...sw winds 15 to 20 kt with gusts to 35 kt... becoming w with
gusts to 35 kt late. waves 2 ft. a chance of showers and tstms. 
.tonight...w winds 10 to 15 kt with gusts to 30 kt... diminishing to
around 5 kt after midnight. waves 1 ft. a chance of showers and
tstms. 
.fri...nw winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. a chance of showers and tstms. 
.fri night...nw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. 
.sat...w winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.sat night...nw winds 5 to 10 kt with gusts to 20 kt in the
evening...becoming light. waves 1 ft or less. 
.sun...sw winds around 5 kt...becoming s after midnight. waves 1 ft.
a chance of showers after midnight. 
.mon...sw winds 10 to 15 kt...becoming nw 5 to 10 kt. waves 1 ft.
showers. a chance of tstms through the night, then a chance of
showers after midnight.  

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

$$

fzus51 klwx 180857
cwflwx
expires:202606182300;;947704

coastal waters forecast
national weather service baltimore md/washington dc
457 am edt thu jun 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.


anz536-182300-
tidal potomac from indian head to cobb island-
457 am edt thu jun 18 2026

...small craft advisory in effect through this evening...

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

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

$$

fzus51 klwx 180857
cwflwx
expires:202606182300;;947705

coastal waters forecast
national weather service baltimore md/washington dc
457 am edt thu jun 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.


anz537-182300-
tidal potomac from cobb island to smith point-
457 am edt thu jun 18 2026

...small craft advisory in effect through this evening...

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

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

$$