828
FZUS51 KLWX 301158
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
658 AM EST TUE DEC 30 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.
ANZ500-302100-
658 AM EST TUE DEC 30 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
STRONG WINDS WILL PERSIST ACROSS THE WATERS IN THE WAKE OF A COLD
FRONT THROUGH TUESDAY. A CLIPPER LOW WILL APPROACH THE WATERS BY
THE MIDDLE OF THE WEEK. HIGH PRESSURE LOOKS TO RETURN BY THE END OF
THE WEEK. SMALL CRAFT ADVISORIES MAY BE NEEDED WEDNESDAY INTO
THURSDAY.
ANZ535-302100-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
658 AM EST TUE DEC 30 2025
..GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
TODAY...W WINDS 15 TO 20 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 2 FT.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 25 KT EARLY IN THE
EVENING. WAVES 1 FT. SCATTERED FLURRIES.
WED
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT. SCATTERED FLURRIES.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-302100-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
658 AM EST TUE DEC 30 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
TODAY
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
TONIGHT...W WINDS 10 TO 15 KT
BECOMING SW 5 KT LATE. GUSTS UP TO
20 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ537-302100-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
658 AM EST TUE DEC 30 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TODAY
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
WITH GUSTS TO 20 KT LATE. WAVES 3 FT... SUBSIDING TO 1 FT AFTER
MIDNIGHT.
WED
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-302100-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
658 AM EST TUE DEC 30 2025
..GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
WEDNESDAY AFTERNOON...
TODAY...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 2 TO 3 FT. SCATTERED FLURRIES THIS MORNING.
TONIGHT...W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 KT WITH GUSTS TO 20 KT LATE. WAVES 2 FT. SCATTERED FLURRIES.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED FLURRIES.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ531-302100-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
658 AM EST TUE DEC 30 2025
..GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
WEDNESDAY AFTERNOON...
TODAY...W WINDS 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT
LATE. WAVES 4 FT.
TONIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 2 TO 3 FT. SCATTERED FLURRIES.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED FLURRIES.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ538-302100-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
658 AM EST TUE DEC 30 2025
..GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
WEDNESDAY AFTERNOON...
TODAY...W WINDS 20 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT
LATE. WAVES 2 TO 3 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SCATTERED FLURRIES.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED FLURRIES.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 KT. WAVES FLAT.
ANZ539-302100-
CHESTER RIVER TO QUEENSTOWN MD-
658 AM EST TUE DEC 30 2025
..GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
WEDNESDAY AFTERNOON...
TODAY
W WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
TONIGHT...W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 KT WITH GUSTS TO 20 KT LATE. WAVES 2 TO 3 FT. SCATTERED FLURRIES.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED FLURRIES.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-302100-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
658 AM EST TUE DEC 30 2025
..GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
WEDNESDAY AFTERNOON...
TODAY...W WINDS 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT
LATE. WAVES 4 FT.
TONIGHT...W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 KT WITH GUSTS TO 20 KT LATE. WAVES 2 TO 3 FT. SCATTERED FLURRIES.
WED
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SCATTERED
FLURRIES.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-302100-
EASTERN BAY-
658 AM EST TUE DEC 30 2025
..GALE WARNING IN EFFECT UNTIL 6 PM EST THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH
WEDNESDAY AFTERNOON...
TODAY
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
TONIGHT...W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 2 FT. SCATTERED
FLURRIES.
WED
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SCATTERED FLURRIES.
WED NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-302100-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
658 AM EST TUE DEC 30 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TODAY
W WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TONIGHT...W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING SW
10 KT WITH GUSTS TO 20 KT LATE. WAVES 2 TO 3 FT. SCATTERED FLURRIES.
WED
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SCATTERED
FLURRIES.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-302100-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
658 AM EST TUE DEC 30 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TODAY...W WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT
EXCEPT
AROUND 4 FT NEAR THE MOUTH OF THE CHOPTANK.
TONIGHT...W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 TO 15 KT WITH GUSTS TO 25 KT IN THE LATE EVENING AND OVERNIGHT.
WAVES 2 TO 3 FT. SCATTERED FLURRIES.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED FLURRIES.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-302100-
PATUXENT RIVER TO BROOMES ISLAND MD-
658 AM EST TUE DEC 30 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TODAY
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
TONIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
5 TO 10 KT LATE. WAVES 1 FT. SCATTERED FLURRIES.
WED
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED FLURRIES.
WED NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ534-302100-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
658 AM EST TUE DEC 30 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TODAY
W WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TONIGHT...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.
SCATTERED FLURRIES.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
NW WINDS 15 TO 20 KT. WAVES 3 FT.
THU NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
FRI...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-302100-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
658 AM EST TUE DEC 30 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TODAY
W WINDS 25 TO 30 KT. WAVES 3 FT.
TONIGHT...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 1 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT.
THU NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...S WINDS 5 TO 10 KT
BECOMING SW IN THE EVENING, THEN
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
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