466
FZUS51 KLWX 222358
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
657 PM EST THU JAN 22 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.
ANZ500-230900-
657 PM EST THU JAN 22 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL CROSS THE REGION THIS AFTERNOON WITH A STRONGER
FRONT FRIDAY MORNING INTO FRIDAY AFTERNOON. ARCTIC HIGH PRESSURE
WILL BUILD ACROSS THE MIDWEST, GREAT LAKES AND NORTHEAST THIS
WEEKEND AS LOW PRESSURE DEVELOPS AND LIFTS UP FROM THE SOUTH. SMALL
CRAFT ADVISORIES WILL LIKELY BE NEEDED THROUGH THE WEEKEND. GALE
CONDITIONS ARE POSSIBLE ACROSS PORTIONS OF THE WATERS MONDAY INTO
MONDAY NIGHT.
ANZ535-230900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. FREEZING RAIN, SLEET AND
SNOW.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. FREEZING RAIN, SLEET
WITH A CHANCE OF SNOW.
MON
NW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-230900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 10 TO 15 KT. WAVES 1 FT. FREEZING RAIN, SLEET AND
SNOW.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. FREEZING RAIN, SLEET
WITH A CHANCE OF SNOW.
MON
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW IN
THE MORNING.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-230900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
657 PM EST THU JAN 22 2026
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NE WINDS AROUND 5 KT
BECOMING NW LATE. WAVES 1 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
LIGHT FREEZING SPRAY.
SAT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 4 FT
SUBSIDING TO 2 FT IN THE AFTERNOON.
SAT NIGHT...NE WINDS 10 KT
INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 2 FT. SNOW. LIGHT FREEZING SPRAY.
SUN
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. FREEZING RAIN, SLEET,
SNOW AND RAIN.
SUN NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. RAIN WITH
FREEZING RAIN LIKELY.
MON
NW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF SNOW IN
THE MORNING.
TUE...W WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ530-230900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
FRI NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SNOW
AND SLEET.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SNOW LIKELY WITH SLEET.
MON...NW WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT. WAVES 1 TO
2 FT. A CHANCE OF SNOW IN THE MORNING.
TUE
W WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ531-230900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
LIGHT FREEZING SPRAY.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FREEZING RAIN, SNOW AND SLEET.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SNOW LIKELY WITH SLEET.
MON...NW WINDS 15 TO 20 KT
INCREASING TO 25 TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF SNOW IN THE MORNING.
TUE...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ538-230900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO 15 KT
WITH GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT.
FRI NIGHT
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. LIGHT
FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SNOW
AND SLEET.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SLEET WITH A CHANCE OF
SNOW.
MON
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW IN
THE MORNING.
TUE...W WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 FT OR LESS.
ANZ539-230900-
CHESTER RIVER TO QUEENSTOWN MD-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
FREEZING RAIN, SLEET AND SNOW.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FREEZING RAIN WITH SNOW LIKELY WITH SLEET.
MON...NW WINDS 20 TO 25 KT. WAVES 2 FT
BUILDING TO 3 FT. A CHANCE
OF SNOW IN THE MORNING.
TUE...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
ANZ532-230900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SNOW. LIGHT FREEZING SPRAY.
SUN
NE WINDS 15 TO 20 KT. WAVES 2 FT. FREEZING RAIN, SLEET AND
SNOW.
SUN NIGHT
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. FREEZING RAIN,
SLEET WITH A CHANCE OF SNOW.
MON...NW WINDS 15 TO 20 KT
INCREASING TO 25 TO 30 KT. WAVES 2 TO
3 FT...BUILDING TO 3 FT. A CHANCE OF SNOW IN THE MORNING.
TUE...W WINDS 15 TO 20 KT
DIMINISHING TO 10 KT. WAVES 1 TO 2 FT.
ANZ540-230900-
EASTERN BAY-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FREEZING RAIN, SLEET AND SNOW.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FREEZING RAIN WITH SNOW LIKELY WITH SLEET.
MON
NW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF SNOW IN
THE MORNING.
TUE...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ533-230900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...N WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
FRI NIGHT...NW WINDS 15 TO 20 KT
BECOMING N 20 TO 25 KT IN THE
LATE EVENING AND OVERNIGHT. GUSTS UP TO 35 KT. WAVES 5 FT. LIGHT
FREEZING SPRAY.
SAT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 4 FT
SUBSIDING TO 2 FT IN THE AFTERNOON.
SAT NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 FT. SNOW. LIGHT FREEZING
SPRAY.
SUN
NE WINDS 15 TO 20 KT. WAVES 3 FT. FREEZING RAIN, SLEET AND
SNOW.
SUN NIGHT
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. FREEZING RAIN,
RAIN WITH A CHANCE OF SNOW.
MON...NW WINDS 15 TO 20 KT
INCREASING TO 25 TO 30 KT. WAVES 3 FT.
A CHANCE OF SNOW IN THE MORNING.
TUE...W WINDS 15 TO 20 KT...BECOMING NW 10 KT. WAVES 2 TO 3 FT
SUBSIDING TO 1 FT.
ANZ541-230900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
657 PM EST THU JAN 22 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...N WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 FT OR LESS.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SNOW. LIGHT FREEZING SPRAY.
SUN
NE WINDS 15 TO 20 KT. WAVES 2 FT. FREEZING RAIN, SLEET AND
SNOW.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. FREEZING RAIN AND RAIN WITH SNOW LIKELY.
MON...NW WINDS 15 TO 20 KT
INCREASING TO 25 TO 30 KT. WAVES
2 FT...BUILDING TO 4 FT. A CHANCE OF SNOW IN THE MORNING.
TUE...W WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ542-230900-
PATUXENT RIVER TO BROOMES ISLAND MD-
657 PM EST THU JAN 22 2026
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NE WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO 20 KT
IN THE AFTERNOON. WAVES 1 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
LIGHT FREEZING SPRAY.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SNOW. LIGHT FREEZING SPRAY.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FREEZING RAIN, SLEET, SNOW AND RAIN.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. FREEZING RAIN, RAIN
WITH A CHANCE OF SNOW.
MON
NW WINDS 15 TO 20 KT. WAVES 1 FT. A CHANCE OF SNOW IN THE
MORNING.
TUE...W WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 FT.
ANZ534-230900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
657 PM EST THU JAN 22 2026
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...NE WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO 20 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT.
FRI NIGHT...N WINDS 15 TO 20 KT
INCREASING TO 25 KT IN THE LATE
EVENING AND OVERNIGHT. GUSTS UP TO 35 KT. WAVES 5 FT. LIGHT FREEZING
SPRAY.
SAT...N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT IN THE AFTERNOON. WAVES 5 FT...SUBSIDING TO 3 FT IN THE
AFTERNOON.
SAT NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SNOW. LIGHT
FREEZING SPRAY.
SUN
NE WINDS 15 TO 20 KT. WAVES 3 FT. RAIN, FREEZING RAIN, SLEET
WITH A CHANCE OF SNOW.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
RAIN WITH FREEZING RAIN LIKELY.
MON...NW WINDS 25 TO 30 KT. WAVES 3 FT
BUILDING TO 5 FT. A CHANCE
OF SNOW IN THE MORNING.
TUE...NW WINDS 20 TO 25 KT...BECOMING W 10 TO 15 KT. WAVES 4 FT
SUBSIDING TO 2 FT.
ANZ543-230900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
657 PM EST THU JAN 22 2026
...GALE WARNING IN EFFECT FROM FRIDAY EVENING THROUGH LATE FRIDAY
NIGHT...
TONIGHT
NW WINDS 5 KT. WAVES FLAT.
FRI...NE WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO 20 KT
IN THE AFTERNOON. WAVES 1 FT OR LESS.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
LIGHT FREEZING SPRAY.
SAT...N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. SNOW. LIGHT
FREEZING SPRAY.
SUN
NE WINDS 15 TO 20 KT. WAVES 2 FT. RAIN, SNOW, SLEET AND
FREEZING RAIN.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. RAIN WITH FREEZING RAIN LIKELY.
MON...NW WINDS 15 TO 20 KT
INCREASING TO 25 TO 35 KT. WAVES 2 TO
3 FT. A CHANCE OF SNOW IN THE MORNING.
TUE...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
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