707
FZUS51 KLWX 031828
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 PM EDT SUN MAY 3 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.
ANZ500-040800-
228 PM EDT SUN MAY 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD OVER THE WATERS THROUGH EARLY MONDAY. A
FRONTAL SYSTEM WILL APPROACH FROM THE WEST BY MID WEEK. SMALL CRAFT
ADVISORIES MAY BE NEEDED MONDAY THROUGH WEDNESDAY.
ANZ535-040800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
MON NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE...SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS. A CHANCE OF TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-040800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT IN THE EVENING,
THEN BECOMING N 5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS. A
CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS. A CHANCE OF TSTMS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-040800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED...SW WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS THROUGH THE DAY.
A CHANCE OF TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS THROUGH THE
NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-040800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...SW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED...SW WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-040800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
S WINDS 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WED...S WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. SHOWERS. A CHANCE OF TSTMS
THROUGH THE NIGHT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-040800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
WED...S WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT. WAVES 1 FT OR
LESS. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-040800-
CHESTER RIVER TO QUEENSTOWN MD-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
WED...S WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT IN THE EVENING,
THEN BECOMING N AFTER MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT
AFTER MIDNIGHT. SHOWERS. A CHANCE OF TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-040800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
S WINDS 10 KT. WAVES 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
WED...S WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT IN THE EVENING,
THEN BECOMING N 5 TO 10 KT AFTER MIDNIGHT. WAVES 3 FT...SUBSIDING TO
1 TO 2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
N WINDS 10 KT. WAVES 1 FT. SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-040800-
EASTERN BAY-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED...S WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT IN THE EVENING,
THEN BECOMING N AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS. A CHANCE
OF TSTMS THROUGH THE NIGHT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-040800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 2 FT.
MON NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WED...S WINDS 20 TO 25 KT
BECOMING SW 10 TO 15 KT IN THE EVENING,
THEN BECOMING N 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT...
SUBSIDING TO 1 FT AFTER MIDNIGHT. SHOWERS. A CHANCE OF TSTMS THROUGH
THE NIGHT.
THU
N WINDS 10 KT. WAVES 1 TO 2 FT. SHOWERS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-040800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WED...S WINDS 20 TO 25 KT
BECOMING SW 10 TO 15 KT IN THE EVENING,
THEN BECOMING N 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT...
SUBSIDING TO 1 FT AFTER MIDNIGHT. SHOWERS. A CHANCE OF TSTMS THROUGH
THE NIGHT.
THU
N WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-040800-
PATUXENT RIVER TO BROOMES ISLAND MD-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED...S WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 FT.
SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS. A CHANCE OF TSTMS
THROUGH THE NIGHT, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-040800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING SW 10 TO 15 KT WITH GUSTS
TO 20 KT LATE. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
WED...S WINDS 20 TO 25 KT
BECOMING SW 10 TO 15 KT IN THE EVENING,
THEN BECOMING NW AFTER MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT
AFTER MIDNIGHT. SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU...N WINDS 10 TO 15 KT
BECOMING NW. WAVES 2 FT. SHOWERS. A
CHANCE OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-040800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
228 PM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING SW 10 TO 15 KT WITH GUSTS
TO 20 KT LATE. WAVES 1 TO 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
WED...S WINDS 20 TO 25 KT
BECOMING SW 10 TO 15 KT IN THE EVENING,
THEN BECOMING NW AFTER MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT
AFTER MIDNIGHT. A CHANCE OF SHOWERS IN THE MORNING. SHOWERS. A
CHANCE OF TSTMS THROUGH THE NIGHT.
THU...N WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT. SHOWERS
THROUGH THE DAY. A CHANCE OF TSTMS THROUGH THE NIGHT. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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