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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/17/2026 11:00 PM America/New_York.
Valid through 3/18/2026 4:00 AM America/New_York.
fzus51 klwx 180300
cwflwx
expires:202603180800;;876818
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt tue mar 17 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.
anz531-180800-
chesapeake bay from pooles island to sandy point-
1059 pm edt tue mar 17 2026
...small craft advisory in effect until 1 am edt wednesday...
.rest of tonight...nw winds 15 to 20 kt with gusts to 25 kt...
diminishing to 10 kt late. waves 1 to 2 ft.
.wed...ne winds 5 kt. waves less than 1 ft.
.wed night...s winds 5 kt. waves less than 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft.
.thu night...s winds 5 to 10 kt. waves 1 ft.
.fri...sw winds 5 kt. waves less than 1 ft.
.fri night...s winds 10 to 15 kt. waves 1 ft.
.sat...sw winds 10 to 15 kt...becoming s. waves 1 to 2 ft.
.sun...sw winds 10 to 15 kt...becoming nw 15 to 20 kt. waves 2 to
3 ft. a chance of rain through the night.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/17/2026 11:00 PM America/New_York.
Valid through 3/18/2026 4:00 AM America/New_York.
fzus51 klwx 180300
cwflwx
expires:202603180800;;876821
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt tue mar 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-180800-
chesapeake bay from sandy point to north beach-
1059 pm edt tue mar 17 2026
...small craft advisory in effect until 1 am edt wednesday...
.rest of tonight...nw winds 10 to 15 kt. gusts up to 25 kt late this
evening and early morning. waves 1 to 2 ft. isolated snow showers
late this evening with vsby 1 to 3 nm.
.wed...n winds 5 to 10 kt...becoming se in the afternoon. waves 1 ft
or less.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft.
.thu night...s winds 5 to 10 kt. waves 1 ft.
.fri...s winds 5 kt. waves less than 1 ft.
.fri night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.sat...sw winds 10 to 15 kt...becoming s 15 to 20 kt. waves 2 ft.
.sun...sw winds 20 to 25 kt...becoming nw after midnight. waves 2 to
3 ft. a chance of rain through the night.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/17/2026 11:00 PM America/New_York.
Valid through 3/18/2026 4:00 AM America/New_York.
fzus51 klwx 180300
cwflwx
expires:202603180800;;876823
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt tue mar 17 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.
anz533-180800-
chesapeake bay from north beach to drum point-
1059 pm edt tue mar 17 2026
...small craft advisory in effect until 1 am edt wednesday...
.rest of tonight...nw winds 15 kt. gusts up to 25 kt late this
evening and early morning. waves 2 ft. isolated snow showers late
this evening with vsby 1 to 3 nm.
.wed...n winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft.
.thu night...s winds 5 to 10 kt. waves 1 ft.
.fri...s winds 5 kt. waves less than 1 ft.
.fri night...s winds 10 to 15 kt...becoming sw after midnight. gusts
up to 20 kt. waves 1 to 2 ft.
.sat...sw winds 10 to 15 kt...becoming s 15 to 20 kt. waves 2 ft.
.sun...sw winds 20 to 25 kt...becoming nw after midnight. waves 2 to
3 ft. a chance of rain through the night.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/17/2026 11:00 PM America/New_York.
Valid through 3/18/2026 4:00 AM America/New_York.
fzus51 klwx 180300
cwflwx
expires:202603180800;;876826
coastal waters forecast
national weather service baltimore md/washington dc
1059 pm edt tue mar 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-180800-
chesapeake bay from drum point to smith point-
1059 pm edt tue mar 17 2026
...small craft advisory in effect until 1 am edt wednesday...
.rest of tonight...nw winds 15 to 20 kt. waves 2 to 3 ft. scattered
snow showers late this evening with vsby 1 to 3 nm.
.wed...n winds 10 to 15 kt...becoming se 5 kt in the afternoon.
waves 1 to 2 ft.
.wed night...se winds 5 kt. waves less than 1 ft.
.thu...se winds 5 to 10 kt. waves 1 ft.
.thu night...s winds 5 to 10 kt. waves 1 ft.
.fri...s winds 5 kt. waves less than 1 ft.
.fri night...s winds 15 to 20 kt. waves 2 ft.
.sat...sw winds 15 to 20 kt...becoming s. waves 2 to 3 ft.
.sun...sw winds 20 to 25 kt...becoming nw after midnight. waves 2 to
3 ft...building to 4 ft after midnight. a chance of rain through the
night.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/17/2026 7:59 PM America/New_York.
Valid through 3/18/2026 4:00 AM America/New_York.
fzus51 klwx 172359
cwflwx
expires:202603180800;;871755
coastal waters forecast
national weather service baltimore md/washington dc
759 pm edt tue mar 17 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.
anz536-180800-
tidal potomac from indian head to cobb island-
759 pm edt tue mar 17 2026
...small craft advisory in effect until 10 pm edt this evening...
.tonight...nw winds 10 kt. gusts up to 20 kt until early morning.
waves 1 ft. scattered snow showers this evening with vsby 1 to 3 nm.
.wed...e winds around 5 kt. waves 1 ft.
.wed night...se winds 5 kt. waves less than 1 ft.
.thu...s winds 5 kt. waves less than 1 ft.
.thu night...s winds around 5 kt. waves 1 ft.
.fri...s winds around 5 kt. waves 1 ft.
.fri night...s winds 5 to 10 kt. waves 1 ft.
.sat...sw winds 10 to 15 kt. waves 1 ft.
.sun...sw winds 10 to 15 kt...becoming nw 15 to 20 kt after
midnight. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/17/2026 7:59 PM America/New_York.
Valid through 3/18/2026 4:00 AM America/New_York.
fzus51 klwx 172359
cwflwx
expires:202603180800;;871756
coastal waters forecast
national weather service baltimore md/washington dc
759 pm edt tue mar 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz537-180800-
tidal potomac from cobb island to smith point-
759 pm edt tue mar 17 2026
...small craft advisory in effect until 1 am edt wednesday...
.tonight...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. scattered snow showers this evening with vsby 1 to 3 nm.
.wed...n winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft.
.wed night...se winds 5 kt. waves flat.
.thu...se winds 5 to 10 kt. waves 1 ft.
.thu night...s winds 5 to 10 kt. waves 1 ft.
.fri...s winds 5 kt. waves less than 1 ft.
.fri night...s winds 10 to 15 kt. waves 1 ft.
.sat...sw winds 10 to 15 kt...becoming s. waves 1 to 2 ft.
.sun...sw winds 15 to 20 kt...becoming nw 20 to 25 kt after
midnight. waves 1 to 2 ft...building to 3 ft after midnight. a
chance of rain through the night.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 3/17/2026 7:59 PM America/New_York.
Valid through 3/18/2026 4:00 AM America/New_York.
fzus51 klwx 172359
cwflwx
expires:202603180800;;871754
coastal waters forecast
national weather service baltimore md/washington dc
759 pm edt tue mar 17 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.
anz535-180800-
tidal potomac from key bridge to indian head-
759 pm edt tue mar 17 2026
...small craft advisory in effect until 10 pm edt this evening...
.tonight...nw winds 5 to 10 kt. gusts up to 20 kt until early
morning. waves 1 ft. isolated snow showers this evening with vsby
1 to 3 nm.
.wed...e winds around 5 kt. waves 1 ft.
.wed night...se winds around 5 kt. waves 1 ft.
.thu...s winds around 5 kt. waves 1 ft.
.thu night...s winds around 5 kt. waves 1 ft.
.fri...w winds around 5 kt. waves 1 ft.
.fri night...s winds 5 kt. waves less than 1 ft.
.sat...sw winds 5 to 10 kt. waves 1 ft.
.sun...w winds 10 to 15 kt...becoming nw after midnight. waves 1 ft.
a chance of rain through the night.
$$
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