537
FZUS51 KLWX 271457
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 AM EDT TUE OCT 27 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.
ANZ500-272000-
1057 AM EDT TUE OCT 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A WEAKENING COLD FRONT WILL DROP SOUTHWARD ACROSS THE MID-ATLANTIC
INTO NORTH CAROLINA TONIGHT AS HIGH PRESSURE BUILDS OVER NEW
ENGLAND. THE FRONT WILL RETURN NORTHWARD AS A WARM FRONT WEDNESDAY.
HIGH PRESSURE WILL THEN PERSIST NEAR AND EAST OF THE REGION THROUGH
THE END OF THE WEEK BEFORE ANOTHER DRY COLD FRONT MOVES THROUGH.
ANOTHER AREA OF HIGH PRESSURE WILL BUILD FROM THE GREAT LAKES TO THE
NORTHEAST THROUGH THE WEEKEND WHILE A FRONTAL SYSTEM GRADUALLY
APPROACHES FROM THE WEST.
ANZ535-272000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-272000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-272000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
FRI...NW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-272000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
WED
E WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS AROUND 5 KT. WAVES FLAT.
ANZ531-272000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-272000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 KT. WAVES FLAT.
WED
E WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SW WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES FLAT.
SAT
E WINDS AROUND 5 KT. WAVES FLAT.
ANZ539-272000-
CHESTER RIVER TO QUEENSTOWN MD-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 KT. WAVES FLAT.
WED
E WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-272000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-272000-
EASTERN BAY-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ533-272000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
N WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-272000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-272000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
N WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-272000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
N WINDS 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
FRI...W WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-272000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 AM EDT TUE OCT 27 2026
REST OF TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI...W WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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