479
FZUS51 KLWX 282058
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
458 PM EDT THU MAY 28 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.
ANZ500-290800-
458 PM EDT THU MAY 28 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD FROM THE GREAT LAKES TO THE MID-ATLANTIC
THROUGH FRIDAY. A DRY COLD FRONT APPROACHING FROM PENNSYLVANIA WILL
CROSS THE REGION FRIDAY NIGHT INTO SATURDAY. HIGH PRESSURE WILL
RETURN FOR SUNDAY. A FRONTAL SYSTEM MAY AFFECT THE REGION EARLY NEXT
WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED SATURDAY.
ANZ535-290800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...NW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ536-290800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...W WINDS AROUND 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-290800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 FT.
SUN...NE WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT.
MON...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ530-290800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...W WINDS AROUND 5 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ531-290800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 TO
2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT...N WINDS 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 TO
2 FT.
SUN...W WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
MON...NW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ538-290800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ539-290800-
CHESTER RIVER TO QUEENSTOWN MD-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT.
SUN...W WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
MON...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ532-290800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 2 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
SUN...SW WINDS 5 KT...BECOMING S 10 TO 15 KT. WAVES 1 FT OR LESS
BUILDING TO 2 FT.
MON...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ540-290800-
EASTERN BAY-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...W WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
MON...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ533-290800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES 1 TO
2 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 3 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 FT.
SUN...NE WINDS 5 KT...BECOMING S 10 TO 15 KT. WAVES 1 FT OR LESS
BUILDING TO 2 FT.
MON...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ541-290800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 2 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT.
SUN...W WINDS AROUND 5 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT OR
LESS.
MON...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT.
ANZ542-290800-
PATUXENT RIVER TO BROOMES ISLAND MD-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-290800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...N WINDS 10 TO 15 KT
BECOMING SW AROUND 5 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT
BECOMING E AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT.
SUN...N WINDS 5 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
MON...SW WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ543-290800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
458 PM EDT THU MAY 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. WAVES 1 FT.
SUN...N WINDS 5 KT...BECOMING SW 10 TO 15 KT. WAVES 1 FT OR LESS
BUILDING TO 2 FT AFTER MIDNIGHT.
MON...W WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT. WAVES 1 TO 2 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page