fzus51 klwx 180858
cwflwx
expires:202607182300;;167424

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt sat jul 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-
458 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of the overnight...s winds 10 kt. waves 1 ft. scattered
showers and tstms. areas of smoke. 
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers and tstms. smoke. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 1 to 2 ft. numerous showers and tstms. 
.sun...n winds 5 to 10 kt. waves 1 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms. 
.tue...s winds 10 to 15 kt...becoming sw after midnight. waves 1 to
2 ft. a chance of tstms. a chance of showers in the morning, then
showers. 
.wed...w winds 10 to 15 kt...becoming nw. waves 1 to 2 ft. a chance
of showers. a chance of tstms through the night.  

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

$$

fzus51 klwx 180858
cwflwx
expires:202607182300;;167427

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt sat jul 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-
458 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of the overnight...s winds 10 kt. waves 1 ft. scattered
showers and tstms. smoke.
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers and tstms. smoke. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 1 to 2 ft. numerous showers and tstms. 
.sun...n winds 10 kt. waves 1 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...s winds 5 to 10 kt. waves 2 ft. a chance of showers and
tstms. 
.tue...s winds 10 to 15 kt. waves 2 to 3 ft. a chance of tstms. a
chance of showers in the morning, then showers. 
.wed...w winds 10 to 15 kt...becoming nw. waves 1 to 2 ft. a chance
of showers. a chance of tstms through the night.  

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

$$

fzus51 klwx 180858
cwflwx
expires:202607182300;;167429

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt sat jul 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-
458 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of the overnight...s winds 10 kt. waves 1 ft. isolated showers
and tstms. smoke.
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
numerous showers and tstms. smoke. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 1 to 2 ft. numerous showers and tstms. 
.sun...n winds 10 kt. waves 1 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...s winds 10 to 15 kt. waves 2 ft. a chance of showers
and tstms. 
.tue...s winds 5 to 10 kt...becoming sw 15 to 20 kt. waves 1 to
2 ft...building to 2 to 3 ft. a chance of tstms. 
.wed...w winds 10 to 15 kt...becoming nw. waves 2 ft. a chance of
showers. a chance of tstms through the night.  

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

$$

fzus51 klwx 180858
cwflwx
expires:202607182300;;167432

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt sat jul 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-
458 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through late tonight...

.rest of the overnight...s winds 10 kt. waves 1 ft. smoke.
.today...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
scattered showers and tstms. smoke. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 2 to 3 ft. scattered showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 to 2 ft. 
.sun night...ne winds 5 to 10 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 10 to 15 kt. waves 2 ft. showers likely with a
chance of tstms. 
.tue...sw winds 15 to 20 kt. waves 2 to 3 ft. showers likely with a
chance of tstms. 
.wed...sw winds 15 to 20 kt...becoming nw 10 to 15 kt. 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 180858
cwflwx
expires:202607182300;;167420

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt sat jul 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-
458 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of the overnight...s winds 5 kt. waves less than 1 ft.
isolated showers and tstms. areas of smoke. 
.today...sw winds 5 to 10 kt. gusts up to 20 kt in the late morning
and afternoon. waves 1 ft. numerous showers and tstms. smoke. vsby
1 nm or less. 
.tonight...sw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. numerous showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 ft. 
.sun night...ne winds around 5 kt. waves 1 ft. 
.mon...e winds around 5 kt. waves 1 ft. a chance of showers. 
.mon night...se winds around 5 kt. waves 1 ft. a chance of showers
and tstms. 
.tue...sw winds 5 to 10 kt. waves 1 ft. a chance of showers in the
morning, then showers with a chance of tstms.
.wed...w winds 5 to 10 kt. waves 1 ft. a chance of showers. a chance
of tstms through the night.  

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

$$

fzus51 klwx 180858
cwflwx
expires:202607182300;;167421

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt sat jul 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-
458 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.rest of the overnight...s winds 5 kt. waves less than 1 ft. smoke.
.today...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
scattered showers and tstms. smoke. vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt... becoming w
5 kt after midnight. waves 1 ft. numerous showers and scattered
tstms. 
.sun...nw winds 5 kt. waves less than 1 ft. 
.sun night...ne winds around 5 kt. waves 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms. 
.tue...sw winds 10 to 15 kt. waves 1 ft. a chance of showers in the
morning, then showers likely with a chance of tstms. 
.wed...w winds 5 to 10 kt. waves 1 ft. a chance of showers. a chance
of tstms through the night.  

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

$$

fzus51 klwx 180858
cwflwx
expires:202607182300;;167422

coastal waters forecast
national weather service baltimore md/washington dc
458 am edt sat jul 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-
458 am edt sat jul 18 2026

...small craft advisory in effect from 11 am edt this morning
through late tonight...

.rest of the overnight...s winds 5 kt. waves less than 1 ft. smoke.
.today...s winds 10 to 15 kt. gusts up to 20 kt in the late morning
and afternoon. waves 1 to 2 ft. scattered showers and tstms. smoke.
vsby 1 nm or less. 
.tonight...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. scattered showers and tstms. 
.sun...nw winds 5 to 10 kt. waves 1 ft. 
.sun night...ne winds 5 kt. waves less than 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. a chance of showers.
.mon night...se winds 5 to 10 kt. waves 1 ft. a chance of showers
and tstms. 
.tue...sw winds 10 to 15 kt. waves 1 to 2 ft. a chance of tstms.
showers likely. 
.wed...sw winds 10 to 15 kt...becoming nw 5 to 10 kt. 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.

$$