752
FZUS51 KLWX 131759
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1258 PM 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.
ANZ500-140900-
1258 PM EST SAT DEC 13 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
AN AREA OF LOW PRESSURE AND ARCTIC COLD FRONT WILL 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.
ANZ535-140900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1258 PM 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...
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND SNOW. VSBY 1 NM
OR LESS.
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
INCREASING TO
35 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SNOW LIKELY. VSBY 1 NM OR
LESS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-140900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1258 PM 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...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...NE WINDS 5 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO
20 KT LATE. WAVES 1 FT. SNOW LIKELY WITH A CHANCE OF RAIN. VSBY 1 NM
OR LESS.
SUN...NW WINDS 20 TO 25 KT. GUSTS UP TO 30 KT
INCREASING TO
35 KT LATE. WAVES 3 FT. SNOW LIKELY. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
MON
W WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...W WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
ANZ537-140900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...SW 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 20 TO 25 KT. GUSTS UP TO 30 KT
INCREASING TO
35 KT LATE. WAVES 3 FT. SNOW LIKELY. A CHANCE OF LIGHT FREEZING
SPRAY. VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF LIGHT
FREEZING SPRAY.
MON...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W 5 TO
10 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING NW 5 KT. WAVES 1 FT.
ANZ530-140900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1258 PM 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...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND SNOW. VSBY 1 NM
OR LESS.
SUN...NW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT IN THE LATE MORNING AND AFTERNOON. WAVES 2 FT. SNOW LIKELY.
VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...W WINDS AROUND 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ531-140900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1258 PM 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...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT. RAIN AND SNOW. VSBY
1 NM OR LESS.
SUN
NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 3 FT. SNOW LIKELY. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON
W WINDS 15 TO 20 KT. WAVES 2 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 N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ538-140900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1258 PM 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...
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
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. GUSTS UP TO 20 KT
INCREASING TO
35 KT IN THE LATE MORNING AND AFTERNOON. WAVES 2 FT. SNOW LIKELY.
VSBY 1 NM OR LESS.
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 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 KT. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-140900-
CHESTER RIVER TO QUEENSTOWN MD-
1258 PM 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...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
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.
VSBY 1 NM OR LESS.
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 20 KT. WAVES 2 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 N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ532-140900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. RAIN AND SNOW. VSBY 1 NM OR LESS.
SUN...NW WINDS 20 TO 25 KT. GUSTS UP TO 30 KT
INCREASING TO
35 KT LATE. WAVES 3 FT. SNOW. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT.
MON
W WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
W WINDS 10 TO 15 KT. WAVES 2 FT.
TUE...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 TO
2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
ANZ540-140900-
EASTERN BAY-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
N WINDS 10 TO 15 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 2 TO 3 FT.
SNOW. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
MON
NW WINDS 15 TO 20 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
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ533-140900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TONIGHT...W WINDS 5 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO 20 KT
AFTER MIDNIGHT. WAVES 1 TO 2 FT. RAIN. VSBY 1 TO 3 NM.
SUN
NW WINDS 25 TO 30 KT. WAVES 4 FT. SNOW. A CHANCE OF LIGHT
FREEZING SPRAY. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 5 FT. A CHANCE OF LIGHT
FREEZING SPRAY.
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. WAVES 2 FT.
TUE...W WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT IN THE EVENING,
THEN BECOMING N AFTER MIDNIGHT. WAVES 1 TO 2 FT.
ANZ541-140900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON...SW WINDS 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT.
TONIGHT...E WINDS 5 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO 20 KT
AFTER MIDNIGHT. WAVES 1 TO 2 FT. RAIN. VSBY 1 TO 3 NM.
SUN
NW WINDS 25 TO 30 KT. WAVES 3 FT. SNOW. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 3 FT.
MON
NW WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 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
BECOMING W 5 KT IN THE EVENING, THEN
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
ANZ542-140900-
PATUXENT RIVER TO BROOMES ISLAND MD-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT...W WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. RAIN LIKELY.
VSBY 1 TO 3 NM.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 1 TO 2 FT.
SNOW. VSBY 1 TO 3 NM.
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 WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...W WINDS 5 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
ANZ534-140900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...SW WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF RAIN. VSBY 1 TO
3 NM.
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 WITH RAIN LIKELY. A
CHANCE OF LIGHT FREEZING SPRAY. VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 6 FT. A CHANCE OF LIGHT
FREEZING SPRAY.
MON...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 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...NW WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO
2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ543-140900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1258 PM EST SAT DEC 13 2025
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
TONIGHT...S WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO
20 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 WITH RAIN LIKELY. VSBY
1 NM OR LESS.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 3 FT.
MON...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 FT.
MON NIGHT
SW WINDS 15 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
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
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