298
FZUS51 KLWX 182359
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
658 PM EST SUN JAN 18 2026
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.
ANZ500-190900-
658 PM EST SUN JAN 18 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
LOW PRESSURE WILL PASS OFFSHORE THROUGH TONIGHT, THEN A REINFORCING
ARCTIC FRONT WILL CROSS MONDAY. HIGH PRESSURE WILL BUILD TOWARD THE
AREA TUESDAY INTO WEDNESDAY AHEAD OF ANOTHER POTENTIAL SYSTEM LATER
IN THE WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED MONDAY
THROUGH TUESDAY AND AGAIN WEDNESDAY THROUGH WEDNESDAY NIGHT.
ANZ535-190900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
658 PM EST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE OF
SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON
SW WINDS 5 TO 10 KT. GUSTS UP TO 25 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-190900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
658 PM EST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT. A
CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON...SW WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 1 FT.
MON NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S 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 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-190900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO
20 KT. WAVES 1 TO 2 FT. RAIN LIKELY WITH A CHANCE OF SNOW THIS
EVENING WITH VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-190900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-190900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON...SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT IN THE AFTERNOON. WAVES 2 FT.
MON NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
FRI
W WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ538-190900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
658 PM EST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF SNOW
THIS EVENING WITH VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S 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 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-190900-
CHESTER RIVER TO QUEENSTOWN MD-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON...SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT...W WINDS 5 TO 10 KT. WAVES 2 FT
SUBSIDING TO FLAT
AFTER MIDNIGHT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-190900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON...SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT IN THE AFTERNOON. WAVES 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
FRI
W WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ540-190900-
EASTERN BAY-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-190900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED...S WINDS 15 TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE
AFTERNOON.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT.
FRI
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ541-190900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT.
FRI
W WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ542-190900-
PATUXENT RIVER TO BROOMES ISLAND MD-
658 PM EST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT. A CHANCE OF SNOW THIS EVENING WITH VSBY 1 TO
3 NM.
MON...SW WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 1 FT.
MON NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-190900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
10 KT LATE. WAVES 2 TO 3 FT. SNOW AND RAIN LIKELY THIS EVENING WITH
VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT. WAVES 3 FT.
TUE
NW WINDS 10 TO 15 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW. WAVES 2 FT. A CHANCE OF
RAIN IN THE MORNING.
FRI...NW WINDS 10 KT
BECOMING SW IN THE AFTERNOON AND EVENING,
THEN BECOMING NW AFTER MIDNIGHT. WAVES 1 TO 2 FT.
ANZ543-190900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
658 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH LATE
MONDAY NIGHT...
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
10 KT LATE. WAVES 1 TO 2 FT. SNOW AND RAIN LIKELY THIS EVENING WITH
VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT...W WINDS 15 TO 20 KT
BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 25 KT. WAVES 2 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW 10 TO 15 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
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