116
FZUS51 KLWX 270300
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1100 PM EDT SUN APR 26 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.
ANZ500-270800-
1100 PM EDT SUN APR 26 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HAZARDOUS MARINE CONDITIONS ARE LIKELY THROUGH TONIGHT INTO MONDAY
FOR PORTIONS OF THE WATERS BEFORE WINDS BEGIN TO DECREASE. HIGH
PRESSURE WILL BUILD TO THE NORTH BEFORE ANOTHER FRONTAL SYSTEM
APPROACHES FROM THE WEST BY THE MIDDLE OF THE WEEK. SMALL CRAFT
ADVISORIES MAY NEED TO BE EXTENDED INTO MONDAY OR MONDAY NIGHT, AND
MAY BE NEEDED AGAIN ON THURSDAY BEHIND THE MID-WEEK SYSTEM.
ANZ535-270800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG
WITH VSBY 1 TO 3 NM.
MON
NE WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WED NIGHT...S WINDS 5 TO 10 KT
BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
ANZ536-270800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG WITH
VSBY 1 TO 3 NM.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT...S WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN THE MORNING.
FRI...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-270800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1100 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT MONDAY
REST OF TONIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
MON
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS.
WED NIGHT...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS IN
THE MORNING.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
ANZ530-270800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY
FOG WITH VSBY 1 TO 3 NM.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ531-270800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG WITH
VSBY 1 TO 3 NM.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS.
WED NIGHT...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 TO 2 FT. SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
FRI...NW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ538-270800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG
WITH VSBY 1 TO 3 NM.
MON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WED NIGHT...SE WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT. SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN
THE MORNING.
FRI...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ539-270800-
CHESTER RIVER TO QUEENSTOWN MD-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG WITH
VSBY 1 TO 3 NM.
MON
N WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WED NIGHT...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 FT. SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
FRI...NW WINDS 10 TO 15 KT. WAVES 2 TO 3 FT
SUBSIDING TO 1 FT
AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
ANZ532-270800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 10 KT. WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS.
WED NIGHT...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
FRI
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
ANZ540-270800-
EASTERN BAY-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 10 KT. WAVES 1 FT. PATCHY FOG WITH VSBY
1 TO 3 NM.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WED NIGHT...SE WINDS 10 KT
BECOMING W AFTER MIDNIGHT. GUSTS UP TO
20 KT. WAVES 1 FT. SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
ANZ533-270800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 10 KT. WAVES 2 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS.
WED NIGHT...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
FRI
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
ANZ541-270800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 10 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
WED NIGHT...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
FRI
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
ANZ542-270800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1100 PM EDT SUN APR 26 2026
REST OF TONIGHT
NE WINDS 10 KT. WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS.
WED NIGHT...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT. SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
ANZ534-270800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1100 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT MONDAY
REST OF TONIGHT
NE WINDS 15 TO 20 KT. WAVES 3 FT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON.
WED NIGHT...SE WINDS 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS UP TO
20 KT. WAVES 2 TO 3 FT. SHOWERS.
THU
NW WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
FRI
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
ANZ543-270800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1100 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EDT MONDAY
REST OF TONIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT...E WINDS 10 TO 15 KT
BECOMING NE 5 KT LATE. WAVES
1 FT.
TUE...NE WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
WED NIGHT...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS.
THU
NW WINDS 20 TO 25 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
FRI
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
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