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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/4/2026 2:27 AM America/New_York.
Valid through 5/4/2026 4:00 PM America/New_York.
fzus51 klwx 040627
cwflwx
expires:202605042000;;984401
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon may 4 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.
anz531-042000-
chesapeake bay from pooles island to sandy point-
227 am edt mon may 4 2026
...small craft advisory in effect until 11 am edt this morning...
.overnight...sw winds 10 kt with gusts to 20 kt. waves 1 to 2 ft.
.mon...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...s winds 15 to 20 kt. gusts up to 20 kt... increasing to 30 kt
in the afternoon. waves 2 to 3 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a
chance of showers.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers.
.wed night...nw winds 5 to 10 kt. waves 1 to 2 ft. showers likely
with a chance of tstms.
.thu...nw winds 5 to 10 kt. waves 1 ft. showers. a chance of showers
after midnight.
.fri...w winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 ft or
less.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/4/2026 2:27 AM America/New_York.
Valid through 5/4/2026 4:00 PM America/New_York.
fzus51 klwx 040627
cwflwx
expires:202605042000;;984404
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon may 4 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-042000-
chesapeake bay from sandy point to north beach-
227 am edt mon may 4 2026
...small craft advisory in effect until 11 am edt this morning...
.overnight...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.mon...s winds 10 to 15 kt. gusts up to 25 kt in the morning. waves
2 ft.
.mon night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. a
chance of showers.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers.
.wed night...sw winds 10 to 15 kt...becoming nw after midnight.
waves 1 to 2 ft. showers.
.thu...nw winds 10 to 15 kt. waves 1 ft. showers. a chance of
showers after midnight.
.fri...w winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 ft or
less.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/4/2026 2:27 AM America/New_York.
Valid through 5/4/2026 4:00 PM America/New_York.
fzus51 klwx 040627
cwflwx
expires:202605042000;;984406
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon may 4 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.
anz533-042000-
chesapeake bay from north beach to drum point-
227 am edt mon may 4 2026
...small craft advisory in effect until 11 am edt this morning...
.overnight...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.mon...s winds 10 to 15 kt. gusts up to 25 kt in the morning. waves
2 ft.
.mon night...s winds 15 to 20 kt. waves 2 ft.
.tue...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers
likely.
.wed night...sw winds 10 to 15 kt...becoming nw after midnight.
gusts up to 20 kt. waves 1 to 2 ft. showers.
.thu...nw winds 10 to 15 kt. waves 1 to 2 ft. showers. a chance of
showers after midnight.
.fri...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 ft or
less.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/4/2026 2:27 AM America/New_York.
Valid through 5/4/2026 4:00 PM America/New_York.
fzus51 klwx 040627
cwflwx
expires:202605042000;;984409
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon may 4 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-042000-
chesapeake bay from drum point to smith point-
227 am edt mon may 4 2026
...small craft advisory in effect until 11 am edt this morning...
.overnight...s winds 15 kt with gusts to 25 kt. waves 2 to 3 ft.
.mon...s winds 10 to 15 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft.
.mon night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.tue...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 4 ft.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. showers
likely.
.wed night...sw winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 2 to 3 ft. showers.
.thu...nw winds 10 to 15 kt. waves 2 ft. showers.
.fri...nw winds 10 to 15 kt...becoming s 5 to 10 kt. waves 1 to
2 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/4/2026 2:27 AM America/New_York.
Valid through 5/4/2026 4:00 PM America/New_York.
fzus51 klwx 040627
cwflwx
expires:202605042000;;984397
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon may 4 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.
anz535-042000-
tidal potomac from key bridge to indian head-
227 am edt mon may 4 2026
...small craft advisory in effect from noon edt today through this
evening...
.overnight...s winds 5 kt. waves less than 1 ft.
.mon...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.mon night...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.tue...sw winds 10 to 15 kt. gusts up to 20 kt... increasing to
30 kt in the afternoon. waves 1 to 2 ft.
.tue night...s winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. a
chance of showers.
.wed...sw winds 10 to 15 kt with gusts to 25 kt. waves 1 to 2 ft.
showers.
.wed night...nw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. showers with a chance of tstms.
.thu...nw winds 5 to 10 kt. waves 1 ft. showers. a chance of showers
after midnight.
.fri...nw winds 10 to 15 kt...becoming sw 5 to 10 kt. waves 1 ft or
less.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/4/2026 2:27 AM America/New_York.
Valid through 5/4/2026 4:00 PM America/New_York.
fzus51 klwx 040627
cwflwx
expires:202605042000;;984398
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon may 4 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-042000-
tidal potomac from indian head to cobb island-
227 am edt mon may 4 2026
...small craft advisory in effect from noon edt today through this
evening...
.overnight...s winds 5 to 10 kt. waves 1 ft.
.mon...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.mon night...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.tue...sw winds 15 to 20 kt with gusts to 25 kt. waves 1 to 2 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. a
chance of showers.
.wed...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
showers.
.wed night...sw winds 10 to 15 kt with gusts to 20 kt...becoming nw
5 to 10 kt after midnight. waves 1 ft. showers.
.thu...nw winds 5 to 10 kt. waves 1 ft. showers. a chance of showers
after midnight.
.fri...w winds 5 to 10 kt...becoming sw after midnight. waves 1 ft
or less.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 5/4/2026 2:27 AM America/New_York.
Valid through 5/4/2026 4:00 PM America/New_York.
fzus51 klwx 040627
cwflwx
expires:202605042000;;984399
coastal waters forecast
national weather service baltimore md/washington dc
227 am edt mon may 4 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.
anz537-042000-
tidal potomac from cobb island to smith point-
227 am edt mon may 4 2026
...small craft advisory in effect until 11 am edt this morning...
.overnight...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.mon...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.mon night...sw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft.
.tue...sw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
.wed...s winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. showers
likely.
.wed night...sw winds 10 to 15 kt...becoming w after midnight. gusts
up to 20 kt. waves 1 to 2 ft. showers.
.thu...nw winds 5 to 10 kt. waves 1 ft. showers.
.fri...nw winds 10 to 15 kt...becoming sw around 5 kt. waves 1 ft.
$$
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