391
FZUS51 KLWX 030627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT MON AUG 3 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.
ANZ500-032000-
227 AM EDT MON AUG 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONTAL BOUNDARY SLOWLY MOVES THROUGH THE AREA TODAY BEFORE
STALLING JUST TO OUR SOUTH. MOSTLY DRY CONDITIONS TUESDAY, THEN
DAILY SHOWER AND THUNDERSTORM CHANCES RETURN TO THE FORECAST, WITH
GUSTY WINDS POSSIBLE IN THE STRONGEST THUNDERSTORMS ESPECIALLY LATER
THIS WEEK. ADDITIONAL SMALL CRAFT ADVISORIES MAY BE NEEDED AT TIMES
LATE THIS WEEK DUE TO PERIODS OF SOUTHERLY CHANNELING.
ANZ535-032000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT MON AUG 3 2026
OVERNIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
MON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-032000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT MON AUG 3 2026
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-032000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...W WINDS AROUND 5 KT
BECOMING NE LATE. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-032000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...NW WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT.
WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-032000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...W WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-032000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
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.
ANZ539-032000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...W WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-032000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 5 KT
LATE. WAVES 3 FT...SUBSIDING TO 1 FT IN THE AFTERNOON. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...SW WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-032000-
EASTERN BAY-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...SW WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-032000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...S WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 10 KT. WAVES 1 TO 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN
THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-032000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...SW WINDS AROUND 5 KT
BECOMING NE AFTER MIDNIGHT.
WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-032000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON NIGHT...SW WINDS AROUND 5 KT
BECOMING NE LATE. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-032000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 4 FT. A CHANCE
OF SHOWERS AND TSTMS.
MON...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING S 10 KT
LATE. WAVES 2 TO 3 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 2 TO 3 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-032000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT MON AUG 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
MON
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
MON NIGHT...SW WINDS 5 TO 10 KT
BECOMING NE LATE. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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