536
FZUS51 KLWX 290859
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
359 AM EST MON DEC 29 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.
ANZ500-292300-
359 AM EST MON DEC 29 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A WAVE OF LOW PRESSURE WILL DRIVE A STRONG COLD FRONT ACROSS THE
AREA TONIGHT INTO MONDAY, BRINGING STRONG WINDS ACROSS THE WATERS
THROUGH MONDAY NIGHT. GALE-FORCE WINDS REMAIN POSSIBLE ON TUESDAY IN
THE WAKE OF THIS COLD FRONT. A CLIPPER LOW WILL APPROACH THE WATERS
BY THE MIDDLE OF THE WEEK, BRINGING ABOUT YET ANOTHER PERIOD OF SCA
CONDITIONS ON WEDNESDAY POTENTIALLY.
ANZ535-292300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A SLIGHT CHANCE OF RAIN.
TODAY...SW WINDS 10 TO 15 KT WITH GUSTS TO 30 KT
BECOMING W
20 TO 25 KT WITH GUSTS TO 45 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
NUMEROUS SHOWERS.
TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 2 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ536-292300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF THE OVERNIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A SLIGHT CHANCE OF RAIN.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING W
20 TO 25 KT WITH GUSTS TO 45 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
SCATTERED SHOWERS.
TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 2 TO 3 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-292300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF THE OVERNIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
25 TO 30 KT IN THE AFTERNOON. WAVES 3 FT. NUMEROUS SHOWERS.
TONIGHT...W WINDS 25 TO 30 KT
DIMINISHING TO 20 KT WITH GUSTS TO
30 KT LATE. WAVES 4 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ530-292300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF THE OVERNIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A SLIGHT CHANCE OF RAIN. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
25 TO 30 KT WITH GUSTS TO 45 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
NUMEROUS SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT
DIMINISHING TO
35 KT AFTER MIDNIGHT. WAVES 3 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-292300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. A SLIGHT CHANCE OF RAIN. VSBY 1 TO 3 NM.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
25 TO 30 KT WITH GUSTS TO 45 KT IN THE AFTERNOON. WAVES 3 FT...
BUILDING TO 5 FT IN THE AFTERNOON. NUMEROUS SHOWERS. VSBY 1 TO 3 NM.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ538-292300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF THE OVERNIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF RAIN.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING W
20 TO 25 KT WITH GUSTS TO 45 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
NUMEROUS SHOWERS.
TONIGHT
W WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 2 TO 3 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-292300-
CHESTER RIVER TO QUEENSTOWN MD-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. A SLIGHT CHANCE OF RAIN.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
25 TO 30 KT WITH GUSTS TO 45 KT IN THE AFTERNOON. WAVES 3 FT...
BUILDING TO 5 FT IN THE AFTERNOON. NUMEROUS SHOWERS.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-292300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. A SLIGHT CHANCE OF RAIN.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
25 TO 30 KT WITH GUSTS TO 45 KT IN THE AFTERNOON. WAVES 3 FT...
BUILDING TO 5 FT IN THE AFTERNOON. NUMEROUS SHOWERS.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-292300-
EASTERN BAY-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A SLIGHT CHANCE OF RAIN.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W WITH
GUSTS TO 35 KT EARLY IN THE AFTERNOON, THEN INCREASING TO 25 TO
30 KT WITH GUSTS TO 45 KT LATE. WAVES 2 FT...BUILDING TO 4 FT IN THE
AFTERNOON. NUMEROUS SHOWERS.
TONIGHT...W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT
DIMINISHING TO
35 KT AFTER MIDNIGHT. WAVES 3 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
ANZ533-292300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY...SW WINDS 20 TO 25 KT
BECOMING W 25 TO 30 KT WITH GUSTS TO
45 KT IN THE AFTERNOON. WAVES 3 FT... BUILDING TO 5 FT IN THE
AFTERNOON. NUMEROUS SHOWERS.
TONIGHT...W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT
DIMINISHING TO
35 KT AFTER MIDNIGHT. WAVES 5 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-292300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY...SW WINDS 20 TO 25 KT
BECOMING W 25 TO 30 KT WITH GUSTS TO
45 KT LATE. WAVES 3 FT. NUMEROUS SHOWERS.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
ANZ542-292300-
PATUXENT RIVER TO BROOMES ISLAND MD-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF THE OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TODAY...SW WINDS 15 KT WITH GUSTS TO 25 KT
BECOMING W 20 TO 25 KT
WITH GUSTS TO 40 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. NUMEROUS
SHOWERS.
TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 1 TO 2 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 KT. WAVES 1 FT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-292300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
4 FT.
TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W WITH
GUSTS TO 30 KT EARLY IN THE AFTERNOON, THEN INCREASING TO 25 TO
30 KT LATE. WAVES 4 FT. NUMEROUS SHOWERS.
TONIGHT
W WINDS 25 TO 30 KT. WAVES 5 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 4 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT...SW WINDS 15 TO 20 KT
BECOMING W AFTER MIDNIGHT. WAVES
2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON AND
EVENING, THEN BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ543-292300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
359 AM EST MON DEC 29 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS
MORNING...
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
REST OF THE OVERNIGHT
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY...SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING W
25 TO 30 KT LATE. WAVES 3 FT. SHOWERS.
TONIGHT
W WINDS 25 TO 30 KT. WAVES 3 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT
W WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON AND
EVENING, THEN BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
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