841
FZUS51 KLWX 071958
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
358 PM EDT TUE OCT 7 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.
ANZ500-080800-
358 PM EDT TUE OCT 7 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT APPROACHING FROM THE WEST WILL TRACK ACROSS THE WATERS
THROUGH WEDNESDAY MORNING. A STRONG AREA OF CANADIAN HIGH PRESSURE
WILL BUILD IN FROM THE NORTH AND WEST THURSDAY INTO FRIDAY. A
COASTAL LOW WILL LIKELY APPROACH FROM THE SOUTH AND EAST THIS
WEEKEND. SMALL CRAFT ADVISORIES MAY BE NEEDED WEDNESDAY THROUGH
THURSDAY. ADDITIONAL ADVISORIES ARE POSSIBLE THIS WEEKEND.
ANZ535-080800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 30 KT. WAVES
1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS. VSBY 1 TO 3 NM.
WED...SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING N 10 TO
15 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 1 FT. SHOWERS.
VSBY 1 TO 3 NM.
WED NIGHT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-080800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 1 FT.
TONIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
VSBY 1 TO 3 NM.
WED...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS. VSBY 1 NM OR
LESS.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
N WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ537-080800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
WED...SW WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. SHOWERS LIKELY. VSBY 1 NM
OR LESS.
WED NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
ANZ530-080800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS. VSBY 1 TO 3 NM.
WED...SW WINDS 10 TO 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 1 TO 2 FT. SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ531-080800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS. VSBY 1 TO 3 NM.
WED...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. SHOWERS. VSBY 1 NM OR
LESS.
WED NIGHT
N WINDS 20 TO 25 KT. WAVES 3 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ538-080800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS. VSBY 1 TO 3 NM.
WED...W WINDS 5 TO 10 KT
BECOMING N 15 KT IN THE AFTERNOON. GUSTS
UP TO 20 KT. WAVES 1 FT. SHOWERS. VSBY 1 TO 3 NM.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-080800-
CHESTER RIVER TO QUEENSTOWN MD-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS. VSBY 1 TO 3 NM.
WED...SW WINDS 10 TO 15 KT
BECOMING N IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 2 FT. SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ532-080800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...S WINDS 15 KT
BECOMING SW LATE. GUSTS UP TO 25 KT.
WAVES 3 FT. SHOWERS. VSBY 1 TO 3 NM.
WED...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS. VSBY 1 NM OR
LESS.
WED NIGHT
N WINDS 20 TO 25 KT. WAVES 3 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ540-080800-
EASTERN BAY-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE. GUSTS UP TO
25 KT. WAVES 2 FT. SHOWERS. VSBY 1 TO 3 NM.
WED...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT IN THE
AFTERNOON. WAVES 2 FT. SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ533-080800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...S WINDS 15 KT
BECOMING SW LATE. GUSTS UP TO 25 KT.
WAVES 3 FT. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
WED...SW WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS. VSBY 1 NM OR
LESS.
WED NIGHT
N WINDS 20 TO 25 KT. WAVES 4 FT.
THU
N WINDS 20 TO 25 KT. WAVES 3 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. WAVES 2 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT
AFTER MIDNIGHT.
ANZ541-080800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS LIKELY. VSBY 1 NM OR LESS.
WED...SW WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. SHOWERS. VSBY 1 NM OR
LESS.
WED NIGHT
N WINDS 20 TO 25 KT. WAVES 2 FT.
THU
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ542-080800-
PATUXENT RIVER TO BROOMES ISLAND MD-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
SE WINDS 15 KT. WAVES 1 FT.
TONIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY. VSBY 1 NM OR LESS.
WED...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS LIKELY. VSBY 1 NM
OR LESS.
WED NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ534-080800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A CHANCE
OF SHOWERS.
WED...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT LATE. GUSTS UP
TO 25 KT. WAVES 3 FT. SHOWERS LIKELY. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
THU
N WINDS 20 TO 25 KT. WAVES 3 FT.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT...NE WINDS 20 TO 25 KT. WAVES 2 TO 3 FT
BUILDING TO 4 FT
AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
ANZ543-080800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
358 PM EDT TUE OCT 7 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS. VSBY 1 TO 3 NM.
WED...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT LATE. GUSTS UP
TO 25 KT. WAVES 2 FT. SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU...N WINDS 20 TO 25 KT
BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 FT.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
FRI
E WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
NE WINDS 20 TO 25 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
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