439
FZUS51 KLWX 181759
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1259 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-
1259 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-
1259 PM EST SUN JAN 18 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. A CHANCE OF SNOW AND
RAIN. VSBY 1 TO 3 NM.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
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. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-190900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1259 PM EST SUN JAN 18 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. RAIN AND SNOW LIKELY.
VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
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. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT.
ANZ537-190900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT. RAIN AND SNOW. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW. 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 WITH GUSTS 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
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ530-190900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SNOW LIKELY WITH A CHANCE OF RAIN. VSBY 1 TO 3 NM.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SNOW. VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 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. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-190900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SNOW AND RAIN LIKELY. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
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
BUILDING TO 2 TO 3 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ538-190900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1259 PM EST SUN JAN 18 2026
THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND
SNOW. VSBY 1 TO 3 NM.
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
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. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ539-190900-
CHESTER RIVER TO QUEENSTOWN MD-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SNOW AND RAIN LIKELY. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
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 15 TO 20 KT. WAVES 1 TO 2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-190900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SNOW AND RAIN LIKELY. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
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
BECOMING SW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ540-190900-
EASTERN BAY-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SNOW WITH RAIN LIKELY. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 1 FT.
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 15 TO 20 KT
BECOMING SW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-190900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
RAIN AND SNOW. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
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
BECOMING SW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 2 TO 3 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT.
ANZ541-190900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
RAIN AND SNOW. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT. A CHANCE OF SNOW. 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
BECOMING SW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT.
ANZ542-190900-
PATUXENT RIVER TO BROOMES ISLAND MD-
1259 PM EST SUN JAN 18 2026
THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN AND SNOW. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT. A CHANCE OF SNOW. 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
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-190900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. RAIN AND
SNOW. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
10 KT LATE. WAVES 2 TO 3 FT. A CHANCE OF SNOW. 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 WITH GUSTS 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
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW. WAVES 2 FT. A CHANCE OF
RAIN IN THE MORNING.
ANZ543-190900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1259 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT. RAIN AND SNOW. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT LATE. WAVES 2 FT. SNOW LIKELY. 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
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
BECOMING SW. WAVES 1 TO 2 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING.
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