356
FZUS51 KLWX 130612
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
112 AM EST SAT DEC 13 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.
ANZ500-132100-
112 AM EST SAT DEC 13 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL DEPART TODAY, WITH AN AREA OF LOW PRESSURE AND
ARCTIC COLD FRONT SET TO CROSS THE AREA TONIGHT. HIGH PRESSURE WILL
BUILD INTO THE AREA MONDAY AND TUESDAY BEFORE MOVING OFFSHORE
WEDNESDAY. SMALL CRAFT ADVISORIES MAY BE NEEDED MONDAY AND MONDAY
NIGHT. FREEZING SPRAY IS POSSIBLE SUNDAY NIGHT.
ANZ535-132100-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH LATE
SUNDAY NIGHT...
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH RAIN LIKELY.
VSBY 1 NM OR LESS.
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
INCREASING TO
40 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 1 TO
2 FT.
MON
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-132100-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH LATE
SUNDAY NIGHT...
OVERNIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT...NW WINDS 5 KT
BECOMING N 10 TO 15 KT LATE. WAVES
1 FT. A CHANCE OF RAIN. VSBY 1 TO 3 NM.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. A
CHANCE OF SNOW.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
MON
W 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...S WINDS AROUND 5 KT
INCREASING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-132100-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. SNOW.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT.
MON
NW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ530-132100-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH LATE
SUNDAY NIGHT...
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH RAIN LIKELY.
VSBY 1 NM OR LESS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 2 FT. SNOW
LIKELY.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
ANZ531-132100-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH LATE
SUNDAY NIGHT...
OVERNIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT. RAIN AND SNOW. VSBY
1 NM OR LESS.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. SNOW
LIKELY.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 3 FT.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
W WINDS 10 KT. WAVES 1 FT.
TUE...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ538-132100-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH LATE
SUNDAY NIGHT...
OVERNIGHT
S WINDS 5 KT. WAVES FLAT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. RAIN AND SNOW.
VSBY 1 NM OR LESS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 TO
2 FT.
MON
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-132100-
CHESTER RIVER TO QUEENSTOWN MD-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY EVENING THROUGH LATE
SUNDAY NIGHT...
OVERNIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. RAIN AND SNOW.
VSBY 1 NM OR LESS.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. SNOW.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-132100-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT...SW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT LATE. WAVES 2 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.
SUN
NW WINDS 25 TO 30 KT. WAVES 3 FT. SNOW.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
W WINDS 10 TO 15 KT. WAVES 2 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-132100-
EASTERN BAY-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...SW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT LATE. WAVES 1 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT OR LESS. RAIN. VSBY
1 TO 3 NM.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 TO 3 FT.
SNOW.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-132100-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
SAT NIGHT...W WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF RAIN. VSBY 1 TO 3 NM.
SUN
NW WINDS 25 TO 30 KT. WAVES 4 FT. SNOW LIKELY.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 5 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ541-132100-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT...W WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF RAIN. VSBY 1 TO 3 NM.
SUN
NW WINDS 25 TO 30 KT. WAVES 3 FT. SNOW.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 3 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 FT.
ANZ542-132100-
PATUXENT RIVER TO BROOMES ISLAND MD-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT...W WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. A CHANCE OF
RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 1 TO 2 FT.
SNOW.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 1 TO
2 FT.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...SW WINDS 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-132100-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
SAT NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF RAIN.
SUN
NW WINDS 25 TO 30 KT. GUSTS UP TO 30 KT IN THE MORNING. WAVES
4 FT...BUILDING TO 6 FT IN THE AFTERNOON. SNOW.
SUN NIGHT
NW WINDS 25 TO 35 KT. WAVES 6 FT.
MON...NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING W 10 TO
15 KT WITH GUSTS TO 20 KT IN THE AFTERNOON. WAVES 4 FT...SUBSIDING
TO 2 FT IN THE AFTERNOON.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES 3 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ543-132100-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
112 AM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT...SW WINDS 5 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF RAIN.
SUN
NW WINDS 25 TO 30 KT. GUSTS UP TO 30 KT IN THE MORNING. WAVES
3 FT. SNOW.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 3 FT.
MON...NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 TO 15 KT WITH GUSTS TO 20 KT IN THE AFTERNOON. WAVES 2 FT.
MON NIGHT
W WINDS 15 TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 10 TO 15 KT
BECOMING S. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
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