(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 4:58 AM America/New_York.
Valid through 4/27/2026 7:00 PM America/New_York.
fzus51 klwx 270858
cwflwx
expires:202604272300;;602407
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon apr 27 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.
anz531-272300-
chesapeake bay from pooles island to sandy point-
458 am edt mon apr 27 2026
.rest of the overnight...n winds 5 kt. waves less than 1 ft. patchy
fog. vsby 1 to 3 nm.
.today...ne winds 5 kt. waves less than 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. showers.
.wed night...se winds 10 to 15 kt...becoming w 15 to 20 kt after
midnight. waves 2 ft. showers.
.thu...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers in
the morning.
.fri...nw winds 15 to 20 kt. waves 2 to 3 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 4:58 AM America/New_York.
Valid through 4/27/2026 7:00 PM America/New_York.
fzus51 klwx 270858
cwflwx
expires:202604272300;;602410
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon apr 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-272300-
chesapeake bay from sandy point to north beach-
458 am edt mon apr 27 2026
.rest of the overnight...ne winds 10 kt. waves 1 ft. patchy fog.
vsby 1 to 3 nm.
.today...ne winds 5 to 10 kt. waves 1 ft.
.tonight...se winds 5 to 10 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft or less.
.tue night...s winds 5 to 10 kt. waves 1 ft.
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 ft...
building to 3 ft in the afternoon. showers.
.wed night...se winds 15 to 20 kt...becoming w after midnight. waves
2 to 3 ft. showers.
.thu...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers in
the morning.
.fri...nw winds 15 to 20 kt. waves 2 to 3 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 4:58 AM America/New_York.
Valid through 4/27/2026 7:00 PM America/New_York.
fzus51 klwx 270858
cwflwx
expires:202604272300;;602412
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon apr 27 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.
anz533-272300-
chesapeake bay from north beach to drum point-
458 am edt mon apr 27 2026
.rest of the overnight...ne winds 10 kt. waves 2 ft.
.today...n winds 5 to 10 kt. waves 1 ft.
.tonight...e winds around 5 kt. waves 1 ft.
.tue...s winds 5 to 10 kt. waves 1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. waves 1 ft...building to 3 ft in the afternoon. showers.
.wed night...se winds 15 to 20 kt...becoming w after midnight. gusts
up to 25 kt. waves 2 to 3 ft. showers.
.thu...nw winds 20 to 25 kt. waves 3 ft. a chance of showers in the
morning.
.fri...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers
after midnight.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 4:58 AM America/New_York.
Valid through 4/27/2026 7:00 PM America/New_York.
fzus51 klwx 270858
cwflwx
expires:202604272300;;602415
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon apr 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-272300-
chesapeake bay from drum point to smith point-
458 am edt mon apr 27 2026
...small craft advisory in effect until 7 am edt this morning...
.rest of the overnight...ne winds 15 kt with gusts to 20 kt. waves
3 ft.
.today...ne winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. waves 1 to 2 ft.
.tonight...e winds 5 to 10 kt. waves 1 ft.
.tue...ne winds around 5 kt...becoming se in the afternoon. waves
1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 5 to 10 kt...increasing to 15 to 20 kt in the
afternoon. waves 1 ft...building to 3 ft in the afternoon. showers.
.wed night...se winds 15 to 20 kt...becoming w 20 to 25 kt after
midnight. waves 3 ft. showers.
.thu...nw winds 20 to 25 kt. waves 4 ft. a chance of showers in the
morning.
.fri...nw winds 15 to 20 kt. waves 3 ft. a chance of showers after
midnight.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 4:58 AM America/New_York.
Valid through 4/27/2026 7:00 PM America/New_York.
fzus51 klwx 270858
cwflwx
expires:202604272300;;602403
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon apr 27 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.
anz535-272300-
tidal potomac from key bridge to indian head-
458 am edt mon apr 27 2026
.rest of the overnight...n winds 5 kt. waves less than 1 ft.
.today...ne winds around 5 kt. waves 1 ft.
.tonight...se winds around 5 kt. waves 1 ft.
.tue...s winds around 5 kt. waves 1 ft. a chance of showers.
.tue night...se winds around 5 kt. waves 1 ft.
.wed...se winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft. showers.
.wed night...s winds 5 to 10 kt...becoming nw 10 to 15 kt after
midnight. gusts up to 25 kt. waves 1 ft. showers.
.thu...nw winds 15 to 20 kt...diminishing to 10 kt after midnight.
waves 1 ft. a chance of showers in the morning.
.fri...nw winds 10 to 15 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 4:58 AM America/New_York.
Valid through 4/27/2026 7:00 PM America/New_York.
fzus51 klwx 270858
cwflwx
expires:202604272300;;602404
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon apr 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-272300-
tidal potomac from indian head to cobb island-
458 am edt mon apr 27 2026
.rest of the overnight...n winds 5 kt. waves less than 1 ft.
.today...ne winds 5 kt. waves less than 1 ft.
.tonight...se winds around 5 kt. waves 1 ft.
.tue...s winds around 5 kt. waves 1 ft. a chance of showers.
.tue night...se winds 5 kt. waves less than 1 ft.
.wed...se winds 5 to 10 kt. waves 1 ft. showers.
.wed night...s winds 10 kt...becoming nw 15 to 20 kt after midnight.
waves 1 to 2 ft. showers.
.thu...nw winds 15 to 20 kt. waves 1 to 2 ft. a chance of showers in
the morning.
.fri...nw winds 10 to 15 kt. waves 1 ft. a chance of showers after
midnight.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/27/2026 4:58 AM America/New_York.
Valid through 4/27/2026 7:00 PM America/New_York.
fzus51 klwx 270858
cwflwx
expires:202604272300;;602405
coastal waters forecast
national weather service baltimore md/washington dc
458 am edt mon apr 27 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.
anz537-272300-
tidal potomac from cobb island to smith point-
458 am edt mon apr 27 2026
...small craft advisory in effect until 7 am edt this morning...
.rest of the overnight...ne winds 10 kt with gusts to 20 kt. waves
2 ft.
.today...ne winds 5 to 10 kt. gusts up to 20 kt in the morning.
waves 1 to 2 ft.
.tonight...e winds around 5 kt. waves 1 ft.
.tue...n winds around 5 kt...becoming se in the afternoon. waves
1 ft or less.
.tue night...se winds 5 to 10 kt. waves 1 ft.
.wed...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
showers.
.wed night...s winds 10 to 15 kt...becoming w 15 to 20 kt after
midnight. gusts up to 25 kt. waves 2 ft. showers with a chance of
tstms.
.thu...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers in
the morning.
.fri...nw winds 10 to 15 kt. waves 2 ft. a chance of showers through
the night.
winds and waves higher and visibilities lower in and near tstms.
$$
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