453
FZUS51 KLWX 080834
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
434 AM EDT WED OCT 8 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.
ANZ500-082300-
434 AM EDT WED OCT 8 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
THIS 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 WILL LIKELY BE NEEDED THIS WEEKEND, AND GALE CONDITIONS
CAN'T BE RULED OUT.
ANZ535-082300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
434 AM EDT WED OCT 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS EVENING...
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TODAY...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 NM OR LESS.
TONIGHT
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.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUN
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-082300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
434 AM EDT WED OCT 8 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS EVENING...
REST OF THE OVERNIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TODAY...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.
TONIGHT
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 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUN
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-082300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
TODAY...SW WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. A CHANCE OF SHOWERS. VSBY
1 NM OR LESS.
TONIGHT
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. WAVES 2 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
SUN
N WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-082300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TODAY...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.
TONIGHT
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.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
SUN
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-082300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TODAY...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.
TONIGHT
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.
FRI NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
SUN
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-082300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TODAY...W WINDS 5 TO 10 KT
BECOMING N 15 KT IN THE AFTERNOON.
GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
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.
FRI
E WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUN
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-082300-
CHESTER RIVER TO QUEENSTOWN MD-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TODAY...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.
TONIGHT
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.
FRI NIGHT
E WINDS 5 KT. WAVES FLAT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
SUN
N WINDS 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-082300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR
LESS.
TODAY...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.
TONIGHT
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 KT. WAVES 1 TO 2 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SE 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. A CHANCE OF SHOWERS THROUGH THE NIGHT.
SUN
N WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-082300-
EASTERN BAY-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR
LESS.
TODAY...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT IN THE
AFTERNOON. WAVES 2 FT. SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
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.
FRI NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
SUN
N WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-082300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
TODAY...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.
TONIGHT
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.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...NE WINDS 20 TO 25 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT. A
CHANCE OF SHOWERS THROUGH THE NIGHT.
SUN...N WINDS 25 TO 30 KT. WAVES 3 FT
BUILDING TO 4 FT. A CHANCE
OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-082300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
TODAY...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.
TONIGHT
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.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
SUN
N WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-082300-
PATUXENT RIVER TO BROOMES ISLAND MD-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
TODAY...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS. VSBY 1 NM OR
LESS.
TONIGHT
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.
FRI NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
NE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
SUN
N WINDS 20 TO 25 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-082300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
3 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
TODAY...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT LATE. GUSTS
UP TO 25 KT. WAVES 3 FT. SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
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.
FRI NIGHT
E WINDS 10 KT. WAVES 1 FT.
SAT...NE WINDS 20 TO 25 KT. WAVES 2 TO 3 FT
BUILDING TO 4 FT
AFTER MIDNIGHT. A CHANCE OF SHOWERS THROUGH THE NIGHT.
SUN...N WINDS 25 TO 30 KT. WAVES 4 FT
BUILDING TO 5 FT. A CHANCE
OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-082300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
434 AM EDT WED OCT 8 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM
OR LESS.
TODAY...SW WINDS 10 TO 15 KT
BECOMING N 15 TO 20 KT LATE. GUSTS
UP TO 25 KT. WAVES 2 FT. SHOWERS LIKELY. VSBY 1 NM OR LESS.
TONIGHT
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 FT.
FRI
E WINDS 10 TO 15 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 20 TO 25 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
SUN
N WINDS 25 TO 30 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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