437
FZUS51 KLWX 262103
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
502 PM EDT THU MAR 26 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.
ANZ500-270800-
502 PM EDT THU MAR 26 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL MOVE OVER THE WATERS LATER TONIGHT INTO FRIDAY
MORNING. AN AREA OF HIGH PRESSURE WILL BUILD OVER THE WATERS THIS
WEEKEND, BEFORE PROGRESSING OFFSHORE EARLY NEXT WEEK.
ANZ535-270800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
FRI
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. RAIN.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN LIKELY.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
ANZ536-270800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI...W WINDS 10 TO 15 KT
BECOMING N IN THE LATE MORNING AND
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 FT. RAIN.
FRI NIGHT...N WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ537-270800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI...SW WINDS 15 KT
BECOMING N IN THE LATE MORNING AND
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. RAIN.
FRI NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT. RAIN.
SAT...N WINDS 20 TO 25 KT
BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. WAVES 3 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES
1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
ANZ530-270800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT LATE. GUSTS
UP TO 25 KT. WAVES 2 FT. RAIN LIKELY.
FRI
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT. RAIN.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN LIKELY.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH
THE NIGHT.
ANZ531-270800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...SW WINDS 15 TO 20 KT
BECOMING W LATE. GUSTS UP TO
25 KT. WAVES 3 FT. A CHANCE OF RAIN.
FRI...NW WINDS 10 TO 15 KT
BECOMING N IN THE LATE MORNING AND
AFTERNOON. GUSTS UP TO 20 KT. WAVES 2 FT. RAIN.
FRI NIGHT...N WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 2 FT. RAIN LIKELY.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN THROUGH THE NIGHT.
ANZ538-270800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 25 KT. WAVES 1 FT. A CHANCE OF RAIN.
FRI
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. RAIN.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN LIKELY.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
ANZ539-270800-
CHESTER RIVER TO QUEENSTOWN MD-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
FRI...NW WINDS 10 TO 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 2 FT. RAIN.
FRI NIGHT...N WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
SAT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT. WAVES 1 TO 2 FT.
A CHANCE OF RAIN THROUGH THE NIGHT.
ANZ532-270800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
FRI...NW WINDS 10 TO 15 KT
BECOMING N IN THE LATE MORNING AND
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. RAIN.
FRI NIGHT...N WINDS 10 KT
INCREASING TO 15 TO 20 KT WITH GUSTS TO
25 KT AFTER MIDNIGHT. WAVES 2 FT. A CHANCE OF RAIN.
SAT...N WINDS 20 TO 25 KT
BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT AFTER
MIDNIGHT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN
THROUGH THE NIGHT.
ANZ540-270800-
EASTERN BAY-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI...NW WINDS 10 TO 15 KT
BECOMING N IN THE LATE MORNING AND
AFTERNOON. GUSTS UP TO 20 KT. WAVES 2 FT. RAIN.
FRI NIGHT...N WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT. WAVES
2 FT. A CHANCE OF RAIN THROUGH THE NIGHT.
ANZ533-270800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
FRI...W WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT IN THE LATE
MORNING AND AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. RAIN.
FRI NIGHT...N WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. RAIN.
SAT
N WINDS 20 TO 25 KT. WAVES 3 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN
THROUGH THE NIGHT.
ANZ541-270800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI...W WINDS 10 TO 15 KT
BECOMING N IN THE LATE MORNING AND
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. RAIN.
FRI NIGHT...N WINDS 5 TO 10 KT
INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN.
SAT
N WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 FT OR LESS.
SUN
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN THROUGH
THE NIGHT.
ANZ542-270800-
PATUXENT RIVER TO BROOMES ISLAND MD-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
FRI...W WINDS 10 KT
BECOMING N IN THE LATE MORNING AND AFTERNOON.
GUSTS UP TO 25 KT. WAVES 1 FT. RAIN.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ534-270800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI...SW WINDS 15 TO 20 KT
BECOMING N IN THE LATE MORNING AND
EARLY AFTERNOON, THEN BECOMING 15 KT LATE. GUSTS UP TO 25 KT. WAVES
3 FT. RAIN.
FRI NIGHT...N WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. WAVES 3 FT. RAIN.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES
1 TO 2 FT.
SUN...S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT AFTER
MIDNIGHT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ543-270800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
502 PM EDT THU MAR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
FRI...SW WINDS 15 TO 20 KT
BECOMING NW 10 TO 15 KT LATE IN THE
MORNING, THEN BECOMING N IN THE AFTERNOON. GUSTS UP TO 25 KT. WAVES
2 FT. RAIN.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
RAIN.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT.
SUN
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
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