835
FZUS51 KLWX 190835
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
435 AM EDT SAT APR 19 2025
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.
ANZ500-192300-
435 AM EDT SAT APR 19 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL APPROACH TODAY, THEN MOVE INTO THE AREA TONIGHT.
THE BOUNDARY WILL PASS SOUTH OF THE AREA SUNDAY. AN ADDITIONAL COLD
FRONT MAY MOVE OVER THE WATERS MONDAY NIGHT. SMALL CRAFT ADVISORIES
MAY BE NEEDED THROUGH EARLY SUNDAY, AND AGAIN LATE MONDAY INTO EARLY
TUESDAY. BOATERS SHOULD BE AWARE OF THE THREATS OF BOATING IN COLD
WATER, EVEN WHEN AIR TEMPERATURES ARE WARM. VISIT
WEATHER.GOV/SAFETY/COLDWATER FOR MORE INFORMATION.
ANZ535-192300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING NW
5 KT AFTER MIDNIGHT. WAVES 1 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ536-192300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING NW
5 KT LATE. WAVES 1 TO 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-192300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
TUE...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS.
WED
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE MORNING.
ANZ530-192300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS THROUGH THE DAY.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-192300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS. A CHANCE OF SHOWERS THROUGH THE DAY.
WED
S WINDS AROUND 5 KT. WAVES FLAT.
ANZ538-192300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
TODAY...SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 1 TO 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING NW
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY.
WED
SE WINDS AROUND 5 KT. WAVES FLAT.
ANZ539-192300-
CHESTER RIVER TO QUEENSTOWN MD-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES FLAT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS. A CHANCE OF SHOWERS THROUGH THE DAY.
WED
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ532-192300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
3 FT.
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
5 TO 10 KT AFTER MIDNIGHT. WAVES 3 FT... SUBSIDING TO 1 FT AFTER
MIDNIGHT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ540-192300-
EASTERN BAY-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES FLAT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS.
WED
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ533-192300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
5 TO 10 KT LATE. WAVES 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS.
WED
E WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ541-192300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 20 KT. WAVES 2 FT.
TODAY
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ542-192300-
PATUXENT RIVER TO BROOMES ISLAND MD-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS.
WED
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
ANZ534-192300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO
20 KT. WAVES 2 TO 3 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING.
ANZ543-192300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
435 AM EDT SAT APR 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF THE OVERNIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
LATE. WAVES 2 FT.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SE WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS.
WED...N WINDS 5 TO 10 KT
BECOMING W IN THE AFTERNOON, THEN
BECOMING SE. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS IN THE MORNING.
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