453
FZUS51 KLWX 261905
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
305 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-
305 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-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. 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
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS IN THE MORNING. SHOWERS. A CHANCE OF
TSTMS IN THE EVENING.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-270800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...NE WINDS 10 TO 15 KT
BECOMING N 5 KT LATE. WAVES 1 FT.
PATCHY FOG. 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
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF
TSTMS THROUGH THE NIGHT. 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.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-270800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 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
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS IN THE
MORNING.
ANZ530-270800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER
MIDNIGHT. WAVES 1 FT. PATCHY FOG. 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.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
ANZ531-270800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT. PATCHY FOG. 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
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
ANZ538-270800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. 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
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
ANZ539-270800-
CHESTER RIVER TO QUEENSTOWN MD-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. 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
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.
ANZ532-270800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 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. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
ANZ540-270800-
EASTERN BAY-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
PATCHY FOG. 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
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
ANZ533-270800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
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. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SE WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS.
THU
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
ANZ541-270800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 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
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.
ANZ542-270800-
PATUXENT RIVER TO BROOMES ISLAND MD-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 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
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
ANZ534-270800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 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
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT...BUILDING TO 2 TO 3 FT. SHOWERS.
THU
NW WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
ANZ543-270800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
305 PM EDT SUN APR 26 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
E WINDS 10 TO 15 KT. 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
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. SHOWERS.
THU
NW WINDS 20 TO 25 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
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