681
FZUS51 KLWX 080628
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT WED APR 8 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.
ANZ500-082000-
227 AM EDT WED APR 8 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD TOWARD THE AREA THROUGH WEDNESDAY, BEFORE
PROGRESSING OFFSHORE ON THURSDAY. THE NEXT COLD FRONT MAY CROSS THE
WATERS ON SATURDAY BEFORE THE BOUNDARY DISSIPATES TO THE SOUTH.
ANZ535-082000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-082000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 KT
IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-082000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...NE WINDS 15 TO 20 KT
BECOMING E 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-082000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 15 TO 20 KT. WAVES 1 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E AROUND
5 KT IN THE AFTERNOON. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
THU
SE WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-082000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ538-082000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-082000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SE WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS 5 KT. WAVES FLAT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-082000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ540-082000-
EASTERN BAY-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E 5 KT
IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
SE WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS 5 KT. WAVES FLAT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ533-082000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ541-082000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES FLAT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ542-082000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-082000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. WAVES 3 FT... SUBSIDING TO 1 FT IN THE
AFTERNOON.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES
2 FT.
SAT...NW WINDS 5 TO 10 KT
BECOMING E. WAVES 1 FT.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ543-082000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...NW WINDS 5 TO 10 KT
BECOMING E. WAVES 1 FT OR LESS.
SUN...SE WINDS 10 TO 15 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
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