790
FZUS51 KLWX 280404
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1204 AM EDT SAT MAR 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.
ANZ500-282000-
1204 AM EDT SAT MAR 28 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD OVER THE REGION THROUGH THE WEEKEND, THEN
MOVE OFFSHORE EARLY NEXT WEEK. A FRONTAL SYSTEM WILL STALL TO THE
NORTHWEST OF THE AREA BRINGING REPETITIVE CHANCES FOR RAIN NEXT
WEEK. SMALL CRAFT ADVISORIES MAY BE NEEDED SUNDAY AFTERNOON THROUGH
MONDAY MORNING, AND AGAIN TUESDAY INTO TUESDAY NIGHT.
ANZ535-282000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT. WAVES 1 FT. A
CHANCE OF RAIN.
ANZ536-282000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT WITH GUSTS TO 25 KT
LATE. WAVES 1 TO 2 FT.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 10 KT LATE. GUSTS UP TO
25 KT. WAVES 2 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF RAIN.
ANZ537-282000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT WITH GUSTS TO 25 KT
LATE. WAVES 1 TO 2 FT.
SAT...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING NW 10 TO
15 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 3 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING N AFTER MIDNIGHT. WAVES 2 FT.
A CHANCE OF RAIN.
ANZ530-282000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT OR
LESS.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF RAIN.
ANZ531-282000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT LATE. GUSTS UP TO
25 KT. WAVES 1 FT...BUILDING TO 3 FT LATE.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT. WAVES 2 FT
SUBSIDING TO FLAT
AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING N AFTER MIDNIGHT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
ANZ538-282000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT. A CHANCE OF
RAIN.
ANZ539-282000-
CHESTER RIVER TO QUEENSTOWN MD-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT LATE. GUSTS UP TO
25 KT. WAVES 1 TO 2 FT.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 10 KT LATE. GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT...BECOMING SW LATE. WAVES 2 FT
SUBSIDING TO FLAT AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 2 FT. A CHANCE OF RAIN.
ANZ532-282000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT LATE. GUSTS UP TO
25 KT. WAVES 1 FT...BUILDING TO 3 FT LATE.
SAT...N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 3 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT IN THE AFTERNOON.
WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
WED...SW WINDS 20 TO 25 KT
BECOMING N 15 TO 20 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT. A CHANCE OF RAIN.
ANZ540-282000-
EASTERN BAY-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT LATE. GUSTS UP TO
25 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT OR
LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT IN THE EVENING,
THEN BECOMING N AFTER MIDNIGHT. WAVES 2 FT. A CHANCE OF RAIN.
ANZ533-282000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT LATE. GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
SAT...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 TO 15 KT WITH GUSTS TO 20 KT LATE. WAVES 3 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT...BECOMING SW LATE. WAVES 2 FT
SUBSIDING TO FLAT AFTER MIDNIGHT.
SUN
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
WED...SW WINDS 20 TO 25 KT
BECOMING N 15 TO 20 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT. A CHANCE OF RAIN.
ANZ541-282000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT LATE. GUSTS UP TO
25 KT. WAVES 1 TO 2 FT.
SAT...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING NW 10 TO
15 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT OR
LESS.
SUN
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
WED...SW WINDS 20 TO 25 KT
BECOMING N 15 TO 20 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT. A CHANCE OF RAIN.
ANZ542-282000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 5 KT
INCREASING TO 15 KT WITH GUSTS TO 25 KT
LATE. WAVES 1 FT.
SAT...N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING NW 5 TO
10 KT WITH GUSTS TO 20 KT LATE. WAVES 1 FT.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT. WAVES 1 FT. A
CHANCE OF RAIN.
ANZ534-282000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT WITH GUSTS TO 25 KT
LATE. WAVES 2 TO 3 FT.
SAT...N WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT LATE. GUSTS
UP TO 30 KT. WAVES 4 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 TO 2 FT.
SUN...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE
S WINDS 20 TO 25 KT. WAVES 3 FT.
WED...SW WINDS 20 TO 25 KT
BECOMING N 15 TO 20 KT AFTER MIDNIGHT.
WAVES 3 FT. A CHANCE OF RAIN.
ANZ543-282000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1204 AM EDT SAT MAR 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT...N WINDS 10 KT
INCREASING TO 20 KT WITH GUSTS TO 25 KT
LATE. WAVES 1 TO 2 FT.
SAT...N WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT LATE. GUSTS
UP TO 30 KT. WAVES 3 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING NW AFTER MIDNIGHT. WAVES
2 FT. A CHANCE OF RAIN.
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