597
FZUS51 KLWX 042058
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
358 PM EST THU DEC 4 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.
ANZ500-050900-
358 PM EST THU DEC 4 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A REINFORCING COLD FRONT WILL CROSS THE MID-ATLANTIC THIS EVENING.
LOW PRESSURE WILL LIKELY TRACK OFFSHORE OF THE CAROLINAS INTO THE
ATLANTIC OCEAN FRIDAY INTO SATURDAY, BUT THERE IS CONSIDERABLE
UNCERTAINTY AS TO HOW FAR NORTH THE LOW AND ITS ASSOCIATED
PRECIPITATION GETS. HIGH PRESSURE BRIEFLY BUILDS OVER THE AREA THIS
WEEKEND. A COUPLE OF CLIPPER-LIKE SYSTEMS MAY AFFECT THE AREA
HEADING INTO EARLY TO MID NEXT WEEK. SMALL CRAFT ADVISORIES WILL
LIKELY BE NEEDED ON MONDAY.
ANZ535-050900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO
3 NM.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT. SNOW. VSBY 1 TO 3 NM.
FRI NIGHT
LIGHT WINDS. WAVES FLAT. PATCHY FOG.
SAT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON...N WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT.
ANZ536-050900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EST THIS EVENING
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
5 TO 10 KT LATE. WAVES 1 FT. SNOW. VSBY 1 TO 3 NM.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT. SNOW. VSBY 1 TO 3 NM.
FRI NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
SAT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN...SE WINDS AROUND 5 KT
BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT.
MON...N WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT.
ANZ537-050900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST FRIDAY
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE LATE. GUSTS UP TO
20 KT. WAVES 2 FT. SNOW. VSBY 1 TO 3 NM.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH A CHANCE OF RAIN.
VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...NE WINDS 5 TO 10 KT
BECOMING SW IN THE EVENING, THEN
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT. WAVES 1 FT OR LESS...
BUILDING TO 2 FT AFTER MIDNIGHT.
MON...N WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT.
ANZ530-050900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
5 TO 10 KT LATE. WAVES 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SNOW. VSBY 1 TO
3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
SAT
W WINDS AROUND 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
SUN
NW WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
MON...N WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 FT.
ANZ531-050900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SNOW. VSBY
1 TO 3 NM.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
SAT
W WINDS 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...NW WINDS 5 KT
BECOMING SW IN THE EVENING, THEN BECOMING NW
15 TO 20 KT AFTER MIDNIGHT. WAVES 1 FT OR LESS...BUILDING TO 2 FT
AFTER MIDNIGHT.
MON...N WINDS 15 TO 20 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ538-050900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
5 KT AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF SNOW. VSBY 1 TO 3 NM.
FRI
E WINDS 5 KT. WAVES FLAT. SNOW LIKELY. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
SAT
SW WINDS AROUND 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON...N WINDS 10 TO 15 KT
BECOMING NE AROUND 5 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
ANZ539-050900-
CHESTER RIVER TO QUEENSTOWN MD-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING NE
5 TO 10 KT AFTER MIDNIGHT. WAVES 3 FT... SUBSIDING TO 1 FT AFTER
MIDNIGHT. A CHANCE OF SNOW. VSBY 1 TO 3 NM.
FRI
E WINDS 5 KT. WAVES LESS THAN 1 FT. SNOW LIKELY. VSBY 1 TO
3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SNOW AND
RAIN. PATCHY FOG.
SAT
W WINDS AROUND 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...NW WINDS 5 KT...BECOMING W 10 TO 15 KT. WAVES 1 FT OR LESS
BUILDING TO 2 FT AFTER MIDNIGHT.
MON...N WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ532-050900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
10 TO 15 KT AFTER MIDNIGHT. WAVES 2 FT. SNOW LIKELY. VSBY 1 TO 3 NM.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. SNOW. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN
AND SNOW. PATCHY FOG.
SAT
W WINDS 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...N WINDS 5 TO 10 KT
BECOMING E IN THE AFTERNOON, THEN
BECOMING SW IN THE EVENING...BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
MON...N WINDS 20 TO 25 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ540-050900-
EASTERN BAY-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SNOW LIKELY. VSBY 1 TO
3 NM.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SNOW. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AND
SNOW. PATCHY FOG.
SAT
W WINDS AROUND 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN...NW WINDS AROUND 5 KT
BECOMING SW IN THE EVENING, THEN
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT. WAVES 1 FT OR LESS.
MON...N WINDS 15 TO 20 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ533-050900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST FRIDAY
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
10 TO 15 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. SNOW LIKELY. VSBY 1 TO
3 NM.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN
AND SNOW. PATCHY FOG.
SAT
W WINDS 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...NE WINDS 5 TO 10 KT
BECOMING SW IN THE EVENING, THEN
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT. WAVES 1 FT...BUILDING TO
3 FT AFTER MIDNIGHT.
MON...N WINDS 20 TO 25 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ541-050900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
10 TO 15 KT LATE. WAVES 2 FT. SNOW LIKELY. VSBY 1 TO 3 NM.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN
AND SNOW. PATCHY FOG.
SAT
W WINDS AROUND 5 KT. WAVES FLAT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...NW WINDS 5 TO 10 KT
BECOMING SW IN THE EVENING, THEN
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
MON...N WINDS 20 TO 25 KT
BECOMING NE 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ542-050900-
PATUXENT RIVER TO BROOMES ISLAND MD-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...N WINDS 10 TO 15 KT
BECOMING NE 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO
3 NM.
FRI
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SNOW. VSBY 1 TO 3 NM.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN AND
SNOW. PATCHY FOG.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN...NE WINDS 5 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT. WAVES
1 FT.
MON...N WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FT.
ANZ534-050900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST FRIDAY
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
10 TO 15 KT LATE. WAVES 3 FT. SNOW LIKELY. VSBY 1 TO 3 NM.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH RAIN LIKELY. VSBY
1 TO 3 NM.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND
SNOW. PATCHY FOG.
SAT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...NE WINDS 5 TO 10 KT
BECOMING SW IN THE EVENING, THEN
BECOMING NW 20 TO 25 KT AFTER MIDNIGHT. WAVES 1 FT...BUILDING TO
3 FT AFTER MIDNIGHT.
MON...N WINDS 20 TO 25 KT
BECOMING NE 10 TO 15 KT AFTER MIDNIGHT.
WAVES 4 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ543-050900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
358 PM EST THU DEC 4 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EST FRIDAY
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
10 TO 15 KT LATE. WAVES 2 FT. SNOW LIKELY. VSBY 1 TO 3 NM.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH RAIN LIKELY. VSBY
1 TO 3 NM.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND
SNOW. PATCHY FOG.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...N WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
MON...N WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
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