202
FZUS51 KLWX 082059
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
458 PM EDT WED APR 8 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.
ANZ500-090800-
458 PM EDT WED APR 8 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD NORTH OF THE AREA THROUGH TONIGHT, BEFORE
PROGRESSING OFFSHORE ON THURSDAY. THE NEXT COLD FRONT MAY CROSS THE
WATERS EARLY SATURDAY BEFORE THE BOUNDARY DISSIPATES TO THE SOUTH.
HIGH PRESSURE WILL BUILD QUICKLY NORTH AND EAST OF THE AREA SUNDAY
AND MONDAY. SMALL CRAFT ADVISORIES MAY BE NEEDED FOR PORTIONS OF THE
WATERS LATE FRIDAY AND SATURDAY.
ANZ535-090800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-090800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-090800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E. WAVES 1 FT.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ530-090800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-090800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS...BUILDING TO 1 TO 2 FT.
ANZ538-090800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-090800-
CHESTER RIVER TO QUEENSTOWN MD-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-090800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 5 KT
INCREASING TO 10 TO 15 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. PATCHY FOG.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
SUN...E WINDS 5 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ540-090800-
EASTERN BAY-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES FLAT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ533-090800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 5 KT
INCREASING TO 10 TO 15 KT IN THE AFTERNOON.
WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 TO
2 FT.
SUN...E WINDS 5 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ541-090800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SUN...E WINDS 5 KT...BECOMING S 10 TO 15 KT. WAVES 1 FT OR LESS
BUILDING TO 2 FT AFTER MIDNIGHT.
ANZ542-090800-
PATUXENT RIVER TO BROOMES ISLAND MD-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-090800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 10 TO 15 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 TO 2 FT.
SUN...SE WINDS 10 TO 15 KT
BECOMING S. WAVES 1 TO 2 FT.
ANZ543-090800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
458 PM EDT WED APR 8 2026
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 10 TO 15 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT OR LESS.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
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