294
FZUS51 KLWX 290857
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 AM EDT SAT AUG 29 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.
ANZ500-292300-
457 AM EDT SAT AUG 29 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD NORTH OF THE AREA THIS WEEKEND, THEN DRIFT
INTO THE SOUTHEASTERN US EARLY NEXT WEEK. A SMALL CRAFT ADVISORY MAY
BE NEEDED SUNDAY AFTERNOON AND NIGHT.
ANZ535-292300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 AM EDT SAT AUG 29 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ536-292300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 AM EDT SAT AUG 29 2026
REST OF THE OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ537-292300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
REST OF THE OVERNIGHT
NE WINDS 10 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.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON...W WINDS 5 TO 10 KT
BECOMING NE IN THE AFTERNOON. WAVES 1 FT
OR LESS.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-292300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
REST OF THE OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT UNTIL LATE
AFTERNOON...BECOMING LIGHT. WAVES 1 FT OR LESS.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
ANZ531-292300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
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
DIMINISHING TO
AROUND 5 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT...SE WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR
LESS.
SUN
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ538-292300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 AM EDT SAT AUG 29 2026
REST OF THE OVERNIGHT
NE WINDS 10 KT. WAVES 1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NE WINDS 5 KT. WAVES FLAT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
ANZ539-292300-
CHESTER RIVER TO QUEENSTOWN MD-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
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 IN THE MORNING.
WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
ANZ532-292300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
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
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT.
TONIGHT...SE WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
N WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
S WINDS 5 KT. WAVES FLAT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ540-292300-
EASTERN BAY-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
REST OF THE OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
ANZ533-292300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
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 N 5 KT
LATE. WAVES 1 TO 2 FT.
TONIGHT...SE WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...W WINDS 5 TO 10 KT
BECOMING NE IN THE AFTERNOON. WAVES
1 FT.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-292300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
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
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
MON...W WINDS 5 TO 10 KT
BECOMING NE IN THE AFTERNOON. WAVES 1 FT
OR LESS.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ542-292300-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 AM EDT SAT AUG 29 2026
REST OF THE OVERNIGHT
NE WINDS 10 KT. WAVES 1 FT.
TODAY
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ534-292300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
REST OF THE OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...SE WINDS 5 KT
BECOMING S 10 TO 15 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...W WINDS 5 TO 10 KT
BECOMING N IN THE AFTERNOON. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
ANZ543-292300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 AM EDT SAT AUG 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING
REST OF THE OVERNIGHT
NE WINDS 10 KT. WAVES 1 FT.
TODAY...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
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