981
FZUS51 KLWX 090534
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
133 AM EDT THU OCT 9 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.
ANZ500-092000-
133 AM EDT THU OCT 9 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A STRONG COLD FRONT WILL SAG SOUTH AND EAST OF THE AREA THROUGH
THIS EVENING. HIGH PRESSURE WILL BUILD IN FROM THE NORTH TONIGHT
INTO THURSDAY, THEN REMAIN NORTH OF THE REGION THROUGH FRIDAY.
COASTAL LOW PRESSURE WILL DEVELOP ALONG THE SOUTHEAST U.S. COAST
THIS WEEKEND BEFORE LIFTING NORTH TOWARD THE DELMARVA EARLY NEXT
WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED THIS WEEKEND,
WITH GALES POSSIBLE AT TIMES SATURDAY NIGHT THROUGH MONDAY.
ANZ535-092000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
134 AM EDT THU OCT 9 2025
OVERNIGHT
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
NE 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. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY.
SUN...NE WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY IN THE
MORNING, THEN A CHANCE OF SHOWERS THROUGH THE NIGHT.
ANZ536-092000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
134 AM EDT THU OCT 9 2025
OVERNIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
NE 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 5 KT. WAVES LESS THAN 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY.
SUN...NE WINDS 15 TO 20 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 TO
2 FT. SHOWERS LIKELY .
MON
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ537-092000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
NE WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
2 TO 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 2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS LIKELY.
SUN...NE WINDS 25 TO 30 KT
BECOMING N AFTER MIDNIGHT. WAVES 4 FT.
SHOWERS LIKELY .
MON
NW WINDS 20 TO 25 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
ANZ530-092000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
NE 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 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
SUN...NE WINDS 25 TO 30 KT
BECOMING N AFTER MIDNIGHT. WAVES 2 FT.
SHOWERS LIKELY.
MON
N WINDS 20 TO 25 KT. WAVES 2 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ531-092000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. 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
E WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
SUN...NE WINDS 25 TO 30 KT
BECOMING N AFTER MIDNIGHT. WAVES 3 FT.
SHOWERS LIKELY.
MON
N WINDS 20 TO 25 KT. WAVES 3 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ538-092000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
NE 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 AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY.
SUN...NE WINDS 15 TO 20 KT
BECOMING N AFTER MIDNIGHT. WAVES 2 FT.
SHOWERS LIKELY.
MON
N WINDS 15 TO 20 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ539-092000-
CHESTER RIVER TO QUEENSTOWN MD-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
NE WINDS 10 TO 15 KT WITH GUSTS 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
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
SUN...NE WINDS 15 TO 20 KT
BECOMING N AFTER MIDNIGHT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
MON
N WINDS 15 TO 20 KT. WAVES 3 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ532-092000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
NE WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
2 TO 3 FT.
THU NIGHT
NE WINDS 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
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY.
SUN...NE WINDS 25 TO 30 KT
BECOMING N AFTER MIDNIGHT. WAVES
3 FT...BUILDING TO 4 FT. SHOWERS LIKELY.
MON
N WINDS 25 TO 30 KT. WAVES 3 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ540-092000-
EASTERN BAY-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT IN THE AFTERNOON.
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 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS LIKELY.
SUN...NE WINDS 20 TO 25 KT
BECOMING N AFTER MIDNIGHT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
MON
N WINDS 20 TO 25 KT. WAVES 2 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ533-092000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 4 FT.
THU
NE WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
4 FT...SUBSIDING TO 2 FT IN THE AFTERNOON.
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
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 20 TO 25 KT. WAVES 3 FT. SHOWERS LIKELY.
SUN...NE WINDS 25 TO 30 KT
BECOMING N AFTER MIDNIGHT. WAVES
4 FT...BUILDING TO 5 FT. SHOWERS LIKELY.
MON
N WINDS 25 TO 30 KT. WAVES 4 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ541-092000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT LATE. 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 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
NE WINDS 20 TO 25 KT. WAVES 2 FT. SHOWERS LIKELY.
SUN...NE WINDS 25 TO 30 KT
BECOMING N 20 TO 25 KT AFTER MIDNIGHT.
WAVES 3 FT. SHOWERS LIKELY.
MON
N WINDS 20 TO 25 KT. WAVES 3 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ542-092000-
PATUXENT RIVER TO BROOMES ISLAND MD-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
THU
NE 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 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SHOWERS LIKELY.
SUN...NE WINDS 20 TO 25 KT
BECOMING N 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. SHOWERS LIKELY.
MON
N WINDS 20 TO 25 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ534-092000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
THU
NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT EARLY IN THE MORNING.
WAVES 4 FT...SUBSIDING TO 2 FT IN THE AFTERNOON.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
E WINDS 10 TO 15 KT. WAVES 2 FT.
FRI NIGHT
E WINDS 10 KT. WAVES 1 FT.
SAT
E WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS LIKELY.
SUN...NE WINDS 25 TO 35 KT
BECOMING N 25 TO 30 KT AFTER MIDNIGHT.
WAVES 5 FT...BUILDING TO 6 FT. SHOWERS LIKELY.
MON
N WINDS 25 TO 30 KT. WAVES 5 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
ANZ543-092000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
134 AM EDT THU OCT 9 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
THU
NE WINDS 15 TO 20 KT. GUSTS UP TO 25 KT UNTIL LATE 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
E WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
SUN...NE WINDS 25 TO 30 KT
BECOMING N AFTER MIDNIGHT. WAVES 3 FT.
SHOWERS LIKELY.
MON
N WINDS 25 TO 30 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
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