778
FZUS51 KLWX 030900
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
459 AM 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.
ANZ500-032300-
459 AM EDT SUN MAY 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD OVER THE WATERS TODAY THROUGH EARLY MONDAY.
A FRONTAL SYSTEM WILL APPROACH FROM THE WEST BY MID WEEK. SMALL
CRAFT ADVISORIES MAY BE NEEDED MONDAY THROUGH WEDNESDAY.
ANZ535-032300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
459 AM EDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS AFTERNOON...
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT.
TODAY
NW WINDS 5 TO 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 WITH GUSTS TO 20 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 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. WAVES 1 TO 2 FT. SHOWERS. A CHANCE OF
TSTMS THROUGH THE NIGHT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT. SHOWERS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-032300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT.
TODAY
NW WINDS 10 TO 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 10 KT. WAVES 1 FT.
TUE...SW WINDS 10 KT
BECOMING S 15 TO 20 KT WITH GUSTS TO 25 KT
IN THE AFTERNOON. 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
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 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.
ANZ537-032300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 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 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.
WED...SW 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, THEN
SHOWERS. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU...SW 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.
ANZ530-032300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 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 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS 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...S WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT. SHOWERS.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
ANZ531-032300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
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 5 TO 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 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 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
WED...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
SHOWERS.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 2 FT. SHOWERS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
ANZ538-032300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S 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 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
WED...SW WINDS 10 TO 15 KT
BECOMING W 5 KT AFTER MIDNIGHT. WAVES
1 FT OR LESS. SHOWERS.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT. SHOWERS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
ANZ539-032300-
CHESTER RIVER TO QUEENSTOWN MD-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
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 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT. WAVES 1 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 SW 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. SHOWERS LIKELY IN THE
MORNING, THEN SHOWERS.
THU...S WINDS 10 TO 15 KT
BECOMING NW. WAVES 2 FT. SHOWERS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
ANZ532-032300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW 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...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 TO 2 FT. SHOWERS. A CHANCE OF
TSTMS THROUGH THE NIGHT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT. WAVES 2 FT.
SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-032300-
EASTERN BAY-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
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
SW WINDS 5 TO 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 10 TO 15 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 SW 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY IN THE MORNING, THEN SHOWERS.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT. SHOWERS.
ANZ533-032300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 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 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...SW WINDS 15 TO 20 KT
DIMINISHING TO 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...SW WINDS 15 TO 20 KT
BECOMING NW. WAVES 2 FT. SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-032300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 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 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS.
WED...S WINDS 20 TO 25 KT
BECOMING SW 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. SHOWERS LIKELY THROUGH THE
DAY, THEN SHOWERS WITH A CHANCE OF TSTMS THROUGH THE NIGHT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW 15 TO 20 KT. WAVES 2 FT.
SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-032300-
PATUXENT RIVER TO BROOMES ISLAND MD-
459 AM EDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS AFTERNOON...
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT.
TODAY
NW WINDS 10 TO 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 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
SW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN SHOWERS WITH A CHANCE OF TSTMS THROUGH THE NIGHT.
THU...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT. SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-032300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 2 FT.
MON NIGHT
S WINDS 15 TO 20 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. WAVES 3 FT
SUBSIDING TO 2 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS THROUGH THE
DAY, THEN SHOWERS WITH A CHANCE OF TSTMS THROUGH THE NIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING NW. WAVES 3 FT. A CHANCE OF
TSTMS IN THE MORNING. SHOWERS, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-032300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
459 AM EDT SUN MAY 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. 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. 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 WITH GUSTS TO 30 KT. WAVES 3 FT.
WED...S WINDS 20 TO 25 KT
BECOMING SW 10 TO 15 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS THROUGH THE DAY, THEN SHOWERS WITH A
CHANCE OF TSTMS THROUGH THE NIGHT.
THU...S WINDS 15 TO 20 KT
BECOMING W. WAVES 2 FT. A CHANCE OF
TSTMS IN THE MORNING. SHOWERS, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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