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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/19/2026 1:39 PM America/New_York.
Valid through 3/20/2026 2:45 AM America/New_York.
fzus51 klwx 191739
cwflwx
expires:202603200645;;962865
coastal waters forecast
national weather service baltimore md/washington dc
139 pm edt thu mar 19 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.
anz531-200645-
chesapeake bay from pooles island to sandy point-
139 pm edt thu mar 19 2026
...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...
.this afternoon...s winds 10 to 15 kt with gusts to 20 kt. waves
1 ft.
.tonight...s winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.fri...s winds 10 to 15 kt with gusts to 25 kt. waves 1 to 2 ft.
scattered showers.
.fri night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers.
.sat...nw winds 5 to 10 kt. waves 1 ft.
.sat night...e winds 5 kt. waves less than 1 ft.
.sun...s winds 5 to 10 kt...becoming nw 15 to 20 kt. waves 1 to
2 ft...building to 3 ft after midnight. a chance of showers through
the night.
.mon...n winds 15 to 20 kt. waves 2 to 3 ft...subsiding to 1 ft
after midnight. a chance of showers in the morning.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/19/2026 1:39 PM America/New_York.
Valid through 3/20/2026 2:45 AM America/New_York.
fzus51 klwx 191739
cwflwx
expires:202603200645;;962868
coastal waters forecast
national weather service baltimore md/washington dc
139 pm edt thu mar 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-200645-
chesapeake bay from sandy point to north beach-
139 pm edt thu mar 19 2026
...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...
.this afternoon...s winds 15 kt with gusts to 20 kt. waves 1 ft.
.tonight...s winds 5 to 10 kt. gusts up to 25 kt. waves 1 ft.
.fri...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
scattered showers.
.fri night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers.
.sat...n winds 5 to 10 kt. waves 1 ft.
.sat night...se winds 5 kt. waves less than 1 ft.
.sun...s winds 5 kt...increasing to 10 to 15 kt in the afternoon,
then becoming ne 15 to 20 kt in the evening... becoming n 20 to
25 kt after midnight. waves 1 to 2 ft... building to 3 ft after
midnight. a chance of showers through the night.
.mon...n winds 20 to 25 kt...diminishing to 10 to 15 kt. waves 2 to
3 ft. a chance of showers in the morning.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/19/2026 1:39 PM America/New_York.
Valid through 3/20/2026 2:45 AM America/New_York.
fzus51 klwx 191739
cwflwx
expires:202603200645;;962870
coastal waters forecast
national weather service baltimore md/washington dc
139 pm edt thu mar 19 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.
anz533-200645-
chesapeake bay from north beach to drum point-
139 pm edt thu mar 19 2026
...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...
.this afternoon...se winds 10 to 15 kt with gusts to 20 kt. waves
1 ft.
.tonight...s winds 10 to 15 kt. gusts up to 20 kt until early
morning. waves 1 ft.
.fri...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.fri night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers.
.sat...n winds 5 to 10 kt. waves 1 ft.
.sat night...se winds 5 kt. waves less than 1 ft.
.sun...s winds 10 to 15 kt...increasing to 20 to 25 kt in the
evening, then becoming n after midnight. waves 1 to 2 ft...building
to 4 ft after midnight. a chance of showers through the night.
.mon...n winds 20 to 25 kt...diminishing to 10 to 15 kt. waves
3 ft...subsiding to 2 ft. a chance of showers through the day.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/19/2026 1:39 PM America/New_York.
Valid through 3/20/2026 2:45 AM America/New_York.
fzus51 klwx 191739
cwflwx
expires:202603200645;;962873
coastal waters forecast
national weather service baltimore md/washington dc
139 pm edt thu mar 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-200645-
chesapeake bay from drum point to smith point-
139 pm edt thu mar 19 2026
...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from friday morning through late
friday night...
.this afternoon...se winds 10 kt with gusts to 20 kt. waves 1 ft.
.tonight...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.fri...s winds 15 to 20 kt with gusts to 25 kt. waves 1 ft...
building to 3 ft in the afternoon.
.fri night...sw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
numerous showers.
.sat...nw winds 5 to 10 kt. waves 1 to 2 ft.
.sat night...se winds 5 to 10 kt. waves 1 ft.
.sun...s winds 5 to 10 kt...becoming sw 15 to 20 kt in the evening,
then becoming nw 20 to 25 kt after midnight. waves 1 to 2 ft...
building to 4 ft after midnight. a chance of showers through the
night.
.mon...n winds 20 to 25 kt. waves 3 ft. a chance of showers through
the day.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/19/2026 1:39 PM America/New_York.
Valid through 3/20/2026 2:45 AM America/New_York.
fzus51 klwx 191739
cwflwx
expires:202603200645;;962861
coastal waters forecast
national weather service baltimore md/washington dc
139 pm edt thu mar 19 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.
anz535-200645-
tidal potomac from key bridge to indian head-
139 pm edt thu mar 19 2026
...small craft advisory in effect from friday morning through late
friday night...
.this afternoon...sw winds 5 kt. waves less than 1 ft.
.tonight...s winds around 5 kt. waves 1 ft.
.fri...s winds 5 to 10 kt. gusts up to 25 kt in the afternoon. waves
1 ft. scattered showers.
.fri night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
numerous showers.
.sat...nw winds 5 kt. waves less than 1 ft.
.sat night...e winds around 5 kt. waves 1 ft.
.sun...s winds 5 to 10 kt...becoming nw. waves 1 ft. a chance of
showers through the night.
.mon...n winds 10 to 15 kt...diminishing to 5 kt after midnight.
waves 1 ft. a chance of showers in the morning.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/19/2026 1:39 PM America/New_York.
Valid through 3/20/2026 2:45 AM America/New_York.
fzus51 klwx 191739
cwflwx
expires:202603200645;;962862
coastal waters forecast
national weather service baltimore md/washington dc
139 pm edt thu mar 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-200645-
tidal potomac from indian head to cobb island-
139 pm edt thu mar 19 2026
...small craft advisory in effect from friday morning through late
friday night...
.this afternoon...se winds 5 to 10 kt. waves 1 ft.
.tonight...s winds 5 kt. waves less than 1 ft.
.fri...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.fri night...sw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
numerous showers.
.sat...nw winds 5 kt. waves less than 1 ft.
.sat night...se winds 5 kt. waves less than 1 ft.
.sun...sw winds 10 to 15 kt...becoming nw after midnight. waves 1 to
2 ft. a chance of showers through the night.
.mon...n winds 15 to 20 kt...diminishing to 5 to 10 kt. waves 1 to
2 ft. a chance of showers through the day.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/19/2026 1:39 PM America/New_York.
Valid through 3/20/2026 2:45 AM America/New_York.
fzus51 klwx 191739
cwflwx
expires:202603200645;;962863
coastal waters forecast
national weather service baltimore md/washington dc
139 pm edt thu mar 19 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.
anz537-200645-
tidal potomac from cobb island to smith point-
139 pm edt thu mar 19 2026
...small craft advisory in effect from friday morning through late
friday night...
.this afternoon...se winds 10 kt. waves 1 ft.
.tonight...s winds 5 to 10 kt. waves 1 ft.
.fri...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.fri night...sw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
numerous showers.
.sat...nw winds 5 to 10 kt. waves 1 ft.
.sat night...se winds 5 kt. waves less than 1 ft.
.sun...s winds 5 to 10 kt...becoming sw 15 to 20 kt in the evening,
then becoming nw after midnight. waves 1 ft...building to 3 ft after
midnight. a chance of showers through the night.
.mon...n winds 15 to 20 kt. waves 2 to 3 ft. a chance of showers
through the day.
$$
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