835
FZUS51 KLWX 280834
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
434 AM EDT TUE OCT 28 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.
ANZ500-282300-
434 AM EDT TUE OCT 28 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
BROAD HIGH PRESSURE WILL REMAIN ANCHORED OVER CENTRAL QUEBEC THROUGH
MIDWEEK. LOW PRESSURE WILL PASS SOUTH OF THE AREA AND OFF THE
SOUTHEAST COAST THROUGH TONIGHT. A SECOND LOW WILL MOVE OVERHEAD
LATE WEDNESDAY INTO THURSDAY. LOW PRESSURE WILL CONTINUE NORTH
FRIDAY INTO SATURDAY. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED
LATE WEDNESDAY NIGHT THROUGH FRIDAY. MARGINAL GALE CONDITIONS ARE
POSSIBLE AT TIMES FROM WEDNESDAY NIGHT THROUGH FRIDAY.
ANZ535-282300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
434 AM EDT TUE OCT 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
LATE TONIGHT...
REST OF THE OVERNIGHT
NE WINDS 10 KT. WAVES 1 FT.
TODAY...NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT IN THE AFTERNOON. WAVES 1 FT.
TONIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
THU...E WINDS 10 TO 15 KT
BECOMING S IN THE AFTERNOON. GUSTS UP
TO 25 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
FRI...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-282300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS.
THU...SE WINDS 10 TO 15 KT
BECOMING S IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
THU NIGHT
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
FRI
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-282300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
4 FT.
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SCATTERED SHOWERS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SHOWERS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI
W WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
SAT...W WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT.
ANZ530-282300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
THU NIGHT...S WINDS 10 TO 15 KT
BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 20 TO 25 KT. WAVES 2 FT.
SAT...W WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
ANZ531-282300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU NIGHT...SW WINDS 15 TO 20 KT
BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 20 TO 25 KT. WAVES 3 FT.
SAT...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ538-282300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
434 AM EDT TUE OCT 28 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
WEDNESDAY AFTERNOON...
REST OF THE OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU
SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
SAT...W WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
ANZ539-282300-
CHESTER RIVER TO QUEENSTOWN MD-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE OF
SHOWERS.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU NIGHT...SW WINDS 10 TO 15 KT
BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI...W WINDS 15 TO 20 KT. WAVES 3 FT
SUBSIDING TO 2 FT AFTER
MIDNIGHT.
SAT...W WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ532-282300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A CHANCE
OF SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU NIGHT...SW WINDS 15 TO 20 KT
BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. WAVES 3 FT. A CHANCE OF SHOWERS.
FRI...W WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
SAT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ540-282300-
EASTERN BAY-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU NIGHT...SW WINDS 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS UP TO
25 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
SAT...W WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
ANZ533-282300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS
LIKELY.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
FRI...W WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
SAT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ541-282300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU NIGHT...SW WINDS 15 TO 20 KT
BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
SAT...W WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
ANZ542-282300-
PATUXENT RIVER TO BROOMES ISLAND MD-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SCATTERED SHOWERS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SHOWERS.
THU
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI...W WINDS 15 TO 20 KT
DIMINISHING TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-282300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
4 FT.
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SCATTERED SHOWERS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY.
WED NIGHT
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 4 FT. SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT. WAVES 3 FT.
FRI
W WINDS 20 TO 25 KT. WAVES 3 FT.
SAT...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
ANZ543-282300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
434 AM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THE OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
2 FT. ISOLATED SHOWERS.
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SCATTERED SHOWERS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
FRI
W WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
SAT...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
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