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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/30/2026 2:27 PM America/New_York.
Valid through 7/1/2026 4:00 AM America/New_York.
fzus51 klwx 301827
cwflwx
expires:202607010800;;177914
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt tue jun 30 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.
anz531-010800-
chesapeake bay from pooles island to sandy point-
227 pm edt tue jun 30 2026
...small craft advisory in effect through late tonight...
...small craft advisory in effect from wednesday morning through
late wednesday night...
.this afternoon...s winds 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.tonight...s winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
.wed...s winds 10 to 15 kt. gusts up to 20 kt... increasing to 25 kt
late. waves 2 ft.
.wed night...s winds 10 to 15 kt. gusts up to 30 kt...diminishing to
20 kt after midnight. waves 2 to 3 ft.
.thu...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu night...s winds 10 to 15 kt. gusts up to 20 kt in the evening.
waves 1 to 2 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft.
.sat...sw winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/30/2026 2:27 PM America/New_York.
Valid through 7/1/2026 4:00 AM America/New_York.
fzus51 klwx 301827
cwflwx
expires:202607010800;;177917
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt tue jun 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-010800-
chesapeake bay from sandy point to north beach-
227 pm edt tue jun 30 2026
...small craft advisory in effect through late tonight...
...small craft advisory in effect from wednesday morning through
late wednesday night...
.this afternoon...s winds 10 to 15 kt with gusts to 20 kt. waves
1 ft...building to 3 ft late.
.tonight...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.wed...s winds 15 to 20 kt. gusts up to 20 kt... increasing to 30 kt
late. waves 2 to 3 ft.
.wed night...s winds 15 to 20 kt. gusts up to 30 kt...diminishing to
20 kt after midnight. waves 4 ft... subsiding to 2 ft after
midnight.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...s winds 10 to 15 kt. gusts up to 20 kt in the evening.
waves 1 to 2 ft.
.fri...sw winds 5 to 10 kt. waves 1 to 2 ft.
.sat...sw winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/30/2026 2:27 PM America/New_York.
Valid through 7/1/2026 4:00 AM America/New_York.
fzus51 klwx 301827
cwflwx
expires:202607010800;;177919
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt tue jun 30 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.
anz533-010800-
chesapeake bay from north beach to drum point-
227 pm edt tue jun 30 2026
...small craft advisory in effect through late tonight...
...small craft advisory in effect from wednesday morning through
late wednesday night...
.this afternoon...s winds 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.tonight...s winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
.wed...s winds 10 to 15 kt...increasing to 15 to 20 kt with gusts to
25 kt in the afternoon. waves 2 to 3 ft.
.wed night...s winds 15 to 20 kt. gusts up to 30 kt...diminishing to
20 kt after midnight. waves 2 to 3 ft.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.fri...sw winds 5 to 10 kt. waves 1 ft.
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/30/2026 2:27 PM America/New_York.
Valid through 7/1/2026 4:00 AM America/New_York.
fzus51 klwx 301827
cwflwx
expires:202607010800;;177922
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt tue jun 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-010800-
chesapeake bay from drum point to smith point-
227 pm edt tue jun 30 2026
...small craft advisory in effect through late tonight...
...small craft advisory in effect from wednesday morning through
late wednesday night...
.this afternoon...s winds 10 kt with gusts to 20 kt. waves 1 to
2 ft.
.tonight...s winds 10 to 15 kt with gusts to 20 kt. waves 3 ft.
.wed...s winds 10 to 15 kt with gusts to 20 kt... increasing to
15 to 20 kt with gusts to 25 kt late. waves 2 to 3 ft.
.wed night...s winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.fri...sw winds 10 to 15 kt. waves 1 to 2 ft.
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/30/2026 2:27 PM America/New_York.
Valid through 7/1/2026 4:00 AM America/New_York.
fzus51 klwx 301827
cwflwx
expires:202607010800;;177910
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt tue jun 30 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.
anz535-010800-
tidal potomac from key bridge to indian head-
227 pm edt tue jun 30 2026
...small craft advisory in effect until 1 am edt wednesday...
...small craft advisory in effect from wednesday afternoon through
wednesday evening...
.this afternoon...s 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.
.wed...sw winds 5 to 10 kt. gusts up to 20 kt late. waves 1 ft.
.wed night...s winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.thu...sw winds around 5 kt. waves 1 ft.
.thu night...sw winds around 5 kt. waves 1 ft.
.fri...w winds around 5 kt. waves 1 ft.
.sat...w winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms.
winds and waves higher and visibilities lower in and near tstms.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/30/2026 2:27 PM America/New_York.
Valid through 7/1/2026 4:00 AM America/New_York.
fzus51 klwx 301827
cwflwx
expires:202607010800;;177911
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt tue jun 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-010800-
tidal potomac from indian head to cobb island-
227 pm edt tue jun 30 2026
...small craft advisory in effect until 1 am edt wednesday...
...small craft advisory in effect from wednesday afternoon through
wednesday evening...
.this afternoon...se winds 10 kt. gusts up to 20 kt late. waves
1 ft.
.tonight...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.wed...s winds 5 to 10 kt. gusts up to 20 kt late. waves 1 ft.
.wed night...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu...s winds around 5 kt. waves 1 ft.
.thu night...s winds 5 kt. waves less than 1 ft.
.fri...sw winds around 5 kt. waves 1 ft.
.sat...sw winds around 5 kt. waves 1 ft or less. a chance of showers
through the night.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 6/30/2026 2:27 PM America/New_York.
Valid through 7/1/2026 4:00 AM America/New_York.
fzus51 klwx 301827
cwflwx
expires:202607010800;;177912
coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt tue jun 30 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.
anz537-010800-
tidal potomac from cobb island to smith point-
227 pm edt tue jun 30 2026
...small craft advisory in effect until 1 am edt wednesday...
...small craft advisory in effect from wednesday morning through
late wednesday night...
.this afternoon...se winds 10 to 15 kt with gusts to 20 kt. waves
1 ft.
.tonight...s winds 10 to 15 kt...becoming 10 kt late. gusts up to
20 kt. waves 2 ft.
.wed...s winds 10 to 15 kt. gusts up to 20 kt. waves 1 to 2 ft.
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 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 to 10 kt. waves 1 ft.
.sat...sw winds around 5 kt. waves 1 ft. a chance of showers through
the night.
$$
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