317
FZUS51 KLWX 150858
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
458 AM EDT THU OCT 15 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.
ANZ500-152300-
458 AM EDT THU OCT 15 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A DRY COLD FRONT SLOWLY MOVES THROUGH THE AREA TODAY. A STRONGER
COLD FRONT MOVES ACROSS THE AREA FRIDAY, WITH GALE CONDITIONS
POSSIBLE, ESPECIALLY OVER THE OPEN WATERS FRIDAY NIGHT INTO
SATURDAY. SMALL CRAFT ADVISORY CONDITIONS PERSIST THROUGH SUNDAY
MORNING.
ANZ535-152300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
FRI NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. WAVES 1 FT.
SHOWERS.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-152300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE
OF SHOWERS.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI NIGHT...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 25 KT. WAVES 1 TO 2 FT. SHOWERS.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
SUN...N WINDS 10 TO 15 KT
BECOMING NE 5 KT. WAVES 1 FT.
MON
N WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-152300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
N WINDS 10 KT. WAVES 1 FT.
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS LIKELY.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI NIGHT...SW WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SUN...NE WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT. WAVES
4 FT...SUBSIDING TO 1 TO 2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-152300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
FRI NIGHT...W WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 FT. SHOWERS.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-152300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 KT
LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
FRI NIGHT...W WINDS 15 KT
BECOMING NW AFTER MIDNIGHT. GUSTS UP TO
30 KT. WAVES 2 TO 3 FT. SHOWERS.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SUN...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-152300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. WAVES 1 FT.
SHOWERS LIKELY.
SAT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-152300-
CHESTER RIVER TO QUEENSTOWN MD-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 KT
LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
FRI NIGHT...W WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
SUN...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 KT. WAVES 1 TO 2 FT.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-152300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
FRI NIGHT...W WINDS 15 KT
BECOMING NW AFTER MIDNIGHT. GUSTS UP TO
30 KT. WAVES 2 TO 3 FT. SHOWERS.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SUN...NE WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES
3 FT...SUBSIDING TO 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ540-152300-
EASTERN BAY-
458 AM EDT THU OCT 15 2026
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 20 KT
BECOMING E 5 KT
LATE. WAVES 1 FT. SHOWERS LIKELY.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
FRI NIGHT...W WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 2 FT. SHOWERS.
SAT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SUN...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 KT. WAVES 1 TO 2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ533-152300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A SLIGHT CHANCE OF SHOWERS.
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI NIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. WAVES 2 FT...
BUILDING TO 4 FT AFTER MIDNIGHT. SHOWERS.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
N WINDS 25 TO 30 KT. WAVES 5 FT.
SUN...NE WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT. WAVES
4 FT...SUBSIDING TO 1 TO 2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-152300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
458 AM EDT THU OCT 15 2026
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 20 KT
BECOMING E 5 KT
LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI NIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
15 TO 20 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SHOWERS.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SUN...NE WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-152300-
PATUXENT RIVER TO BROOMES ISLAND MD-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE
AFTERNOON. WAVES 1 FT. SHOWERS.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. WAVES 1 FT.
SHOWERS.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
SUN...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 KT. WAVES 1 FT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-152300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
458 AM EDT THU OCT 15 2026
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 20 KT. WAVES 2 FT.
SHOWERS.
TONIGHT
SE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. WAVES 2 FT...
BUILDING TO 4 FT AFTER MIDNIGHT. SHOWERS.
SAT
N WINDS 25 TO 30 KT. WAVES 5 FT. A CHANCE OF SHOWERS.
SAT NIGHT
N WINDS 25 TO 30 KT. WAVES 5 FT.
SUN...NE WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT. WAVES
3 FT...SUBSIDING TO 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-152300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
458 AM EDT THU OCT 15 2026
REST OF THE OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS.
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
FRI NIGHT...SW WINDS 15 TO 20 KT
BECOMING NW 20 TO 25 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. WAVES 2 FT. SHOWERS.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SUN...NE WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
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