598
FZUS51 KLWX 291459
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
959 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.
ANZ500-292100-
959 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.
ANZ535-292100-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT TUESDAY EVENING
REST OF TODAY...SW WINDS 15 KT WITH GUSTS TO 30 KT
BECOMING W
25 KT WITH GUSTS TO 45 KT THIS AFTERNOON. WAVES 1 TO 2 FT. NUMEROUS
SHOWERS LATE THIS MORNING.
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 25 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.
ANZ536-292100-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
REST OF TODAY...SW WINDS 15 KT WITH GUSTS TO 30 KT
BECOMING W
25 KT WITH GUSTS TO 45 KT THIS AFTERNOON. WAVES 2 TO 3 FT. SCATTERED
SHOWERS LATE THIS MORNING, THEN ISOLATED SHOWERS THIS AFTERNOON.
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 25 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.
ANZ537-292100-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING
W 30 KT LATE. WAVES 2 TO 3 FT...BUILDING TO 4 FT LATE. 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 25 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 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.
ANZ530-292100-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...W WINDS 20 TO 25 KT WITH GUSTS TO 40 KT
INCREASING TO 30 KT WITH GUSTS TO 45 KT LATE. WAVES 2 TO 3 FT.
PATCHY FOG LATE THIS MORNING. NUMEROUS SHOWERS LATE THIS MORNING,
THEN SCATTERED SHOWERS THIS AFTERNOON. VSBY 1 TO 3 NM LATE THIS
MORNING.
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. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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.
ANZ531-292100-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...W WINDS 20 TO 25 KT WITH GUSTS TO 40 KT
INCREASING TO 30 KT WITH GUSTS TO 45 KT LATE. WAVES 3 FT... BUILDING
TO 5 FT LATE. NUMEROUS SHOWERS LATE THIS MORNING, THEN SCATTERED
SHOWERS THIS AFTERNOON. VSBY 1 TO 3 NM LATE THIS MORNING.
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 30 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.
ANZ538-292100-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...W WINDS 20 TO 25 KT. GUSTS UP TO 30 KT
INCREASING TO 45 KT THIS AFTERNOON. WAVES 2 TO 3 FT. NUMEROUS
SHOWERS LATE THIS MORNING, THEN ISOLATED SHOWERS THIS AFTERNOON.
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 WITH GUSTS TO 25 KT. 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.
ANZ539-292100-
CHESTER RIVER TO QUEENSTOWN MD-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 15 KT WITH GUSTS TO 25 KT
BECOMING W
25 TO 30 KT WITH GUSTS TO 45 KT THIS AFTERNOON. WAVES 2 TO 3 FT...
BUILDING TO 5 FT LATE. NUMEROUS SHOWERS LATE THIS MORNING, THEN
SCATTERED SHOWERS THIS AFTERNOON.
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. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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.
ANZ532-292100-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT
BECOMING
W 30 KT WITH GUSTS TO 45 KT LATE. WAVES 3 FT...BUILDING TO 5 FT
LATE. NUMEROUS SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS
THIS AFTERNOON.
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. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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.
ANZ540-292100-
EASTERN BAY-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 15 TO 20 KT WITH GUSTS TO 35 KT
BECOMING
W 30 KT WITH GUSTS TO 45 KT LATE. WAVES 2 TO 3 FT...BUILDING TO 4 FT
LATE. NUMEROUS SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS
THIS AFTERNOON.
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. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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.
ANZ533-292100-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT
BECOMING
W 30 KT WITH GUSTS TO 45 KT LATE. WAVES 3 FT...BUILDING TO 5 FT
LATE. NUMEROUS SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS
THIS AFTERNOON.
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 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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.
ANZ541-292100-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 20 KT WITH GUSTS TO 30 KT
BECOMING W
30 KT WITH GUSTS TO 45 KT LATE. WAVES 2 TO 3 FT. NEAR THE MOUTH OF
THE CHOPTANK, WAVES AROUND 3 FT...BUILDING TO 5 FT LATE. NUMEROUS
SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS THIS AFTERNOON.
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 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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.
ANZ542-292100-
PATUXENT RIVER TO BROOMES ISLAND MD-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 15 KT WITH GUSTS TO 25 KT
BECOMING W
25 KT WITH GUSTS TO 40 KT THIS 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. GUSTS UP TO 25 KT IN THE EVENING.
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.
ANZ534-292100-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 20 KT WITH GUSTS TO 30 KT
BECOMING W
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 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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.
ANZ543-292100-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
959 AM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
REST OF TODAY...SW WINDS 20 KT WITH GUSTS TO 30 KT
BECOMING W
30 KT LATE. WAVES 2 TO 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 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. 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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