fzus51 klwx 200627
cwflwx
expires:202607202000;;273739

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 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.


anz531-202000-
chesapeake bay from pooles island to sandy point-
227 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.overnight...ne winds 5 to 10 kt. waves 1 ft or less. 
.mon...e winds 5 to 10 kt...becoming s late. waves 1 ft. 
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers with tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers with a chance of tstms. 
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers and tstms. 
.wed night...n winds 10 to 15 kt. waves 1 to 2 ft. 
.thu...ne winds 10 to 15 kt...diminishing to around 5 kt after
midnight. waves 1 to 2 ft...subsiding to flat after midnight. 
.fri...e winds around 5 kt. waves 1 ft or less.  

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

$$

fzus51 klwx 200627
cwflwx
expires:202607202000;;273742

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 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.


anz532-202000-
chesapeake bay from sandy point to north beach-
227 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.overnight...ne winds 5 kt. waves less than 1 ft. 
.mon...e winds 5 to 10 kt...becoming se late. waves 1 ft. 
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely with a chance of tstms. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
and tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms. 
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers likely. 
.wed night...nw winds 10 to 15 kt. waves 1 to 2 ft. 
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.fri...e winds 5 kt. waves less than 1 ft.  

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

$$

fzus51 klwx 200627
cwflwx
expires:202607202000;;273744

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 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.


anz533-202000-
chesapeake bay from north beach to drum point-
227 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.overnight...ne winds 5 kt. waves less than 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely with a chance of tstms. 
.tue...s winds 10 to 15 kt. gusts up to 25 kt in the afternoon.
waves 1 to 2 ft. showers and tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers with a chance of tstms. 
.wed...w winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with a chance of tstms. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. 
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.fri...e winds around 5 kt. waves 1 ft.  

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

$$

fzus51 klwx 200627
cwflwx
expires:202607202000;;273747

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 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.


anz534-202000-
chesapeake bay from drum point to smith point-
227 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.overnight...ne winds 10 kt. waves 1 ft. a slight chance of showers.
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 10 to 15 kt...becoming s late. gusts up to
20 kt. waves 2 ft. showers likely with a chance of tstms. 
.tue...sw winds 10 to 15 kt with gusts to 25 kt. waves 2 to 3 ft.
showers and tstms likely. 
.tue night...sw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers with a chance of tstms. 
.wed...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers
with a chance of tstms. 
.wed night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 2 ft.
showers likely. 
.thu...ne winds 10 to 15 kt. waves 1 to 2 ft. a chance of showers in
the morning. 
.fri...ne winds 5 to 10 kt. waves 1 ft.  

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

$$

fzus51 klwx 200627
cwflwx
expires:202607202000;;273735

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 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.


anz535-202000-
tidal potomac from key bridge to indian head-
227 am edt mon jul 20 2026

.overnight...ne winds around 5 kt. waves 1 ft or less. 
.mon...e winds around 5 kt. waves 1 ft. 
.mon night...s winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.tue...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. showers
with tstms likely. 
.tue night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
showers with a chance of tstms. 
.wed...w winds 5 to 10 kt. waves 1 ft. showers likely with a chance
of tstms. 
.wed night...n winds 5 to 10 kt. waves 1 ft. 
.thu...ne winds around 5 kt. waves 1 ft or less. 
.fri...e winds around 5 kt. waves 1 ft or less.  

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

$$

fzus51 klwx 200627
cwflwx
expires:202607202000;;273736

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 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.


anz536-202000-
tidal potomac from indian head to cobb island-
227 am edt mon jul 20 2026

.overnight...ne winds 5 kt. waves less than 1 ft. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...s winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.tue...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. showers
and tstms likely. 
.tue night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
showers with a chance of tstms. 
.wed...w winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. 
.thu...ne winds 5 to 10 kt. waves 1 ft or less. 
.fri...e winds around 5 kt. waves 1 ft or less.  

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

$$

fzus51 klwx 200627
cwflwx
expires:202607202000;;273737

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon jul 20 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.


anz537-202000-
tidal potomac from cobb island to smith point-
227 am edt mon jul 20 2026

...small craft advisory in effect from this evening through late
tonight...

.overnight...ne winds 5 to 10 kt. waves 1 ft. a slight chance of
showers. 
.mon...e winds 5 to 10 kt. waves 1 ft. 
.mon night...se winds 10 to 15 kt...becoming s late. gusts up to
20 kt. waves 2 ft. showers likely with a chance of tstms. 
.tue...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers and tstms likely. 
.tue night...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers with a chance of tstms. 
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
with a chance of tstms. 
.wed night...nw winds 5 to 10 kt. waves 1 ft. a chance of showers. 
.thu...ne winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 to 2 ft. 
.fri...e winds 5 to 10 kt. waves 1 ft.  

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

$$