453
FZUS51 KLWX 030302
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1102 PM EDT SAT MAY 2 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.
ANZ500-030800-
1102 PM EDT SAT MAY 2 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD OVER THE WATERS TONIGHT INTO EARLY MONDAY.
A FRONTAL SYSTEM WILL APPROACH FROM THE WEST BY MID WEEK. SMALL
CRAFT ADVISORIES MAY BE NEEDED MONDAY THROUGH WEDNESDAY.
ANZ535-030800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1102 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
NW WINDS 10 KT. WAVES 1 FT.
SUN
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
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 FT.
TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY. SHOWERS LIKELY THROUGH THE NIGHT.
THU...S WINDS 15 TO 20 KT
BECOMING NW. WAVES 1 TO 2 FT. SHOWERS.
A CHANCE OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-030800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1102 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
NW WINDS 10 KT. WAVES 1 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
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 TO 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
WED
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY. SHOWERS LIKELY THROUGH THE NIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING NW. WAVES 1 TO 2 FT. SHOWERS.
A CHANCE OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-030800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SUN NIGHT
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
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
THU...SW WINDS 15 TO 20 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.
ANZ530-030800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SUN NIGHT
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 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
WED...S WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY.
THU...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT. WAVES 1 TO
2 FT. SHOWERS.
ANZ531-030800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT
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 KT. WAVES 2 FT.
TUE
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 2 FT.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH
THE NIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING W. WAVES 2 TO 3 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.
ANZ538-030800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1102 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
NW WINDS 10 KT. WAVES 1 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
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 WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY.
THU...SW WINDS 10 TO 15 KT
BECOMING W. 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.
ANZ539-030800-
CHESTER RIVER TO QUEENSTOWN MD-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 KT. WAVES 1 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 3 FT.
WED...S WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT. WAVES 2 FT.
A CHANCE OF SHOWERS THROUGH THE DAY, THEN SHOWERS LIKELY WITH A
CHANCE OF TSTMS THROUGH THE NIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING W. WAVES 2 TO 3 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.
ANZ532-030800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SUN NIGHT
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 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 4 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH
THE NIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING W. WAVES 3 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.
ANZ540-030800-
EASTERN BAY-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
WED
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH
THE NIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING W. 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.
ANZ533-030800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SUN NIGHT
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 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING NW. WAVES 3 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.
ANZ541-030800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SUN NIGHT
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 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS. SHOWERS
LIKELY AFTER MIDNIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING W. WAVES 2 TO 3 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.
ANZ542-030800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1102 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...
REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
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 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS. SHOWERS
LIKELY AFTER MIDNIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING NW 10 TO 15 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.
ANZ534-030800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
2 TO 3 FT.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SUN NIGHT...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 10 TO 15 KT WITH GUSTS 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 15 TO 20 KT. WAVES 3 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING NW 20 TO 25 KT. WAVES 4 FT.
SHOWERS.
ANZ543-030800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1102 PM EDT SAT MAY 2 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
1 TO 2 FT.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SUN NIGHT...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 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 WITH GUSTS TO 30 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING NW 20 TO 25 KT. WAVES 2 TO
3 FT. SHOWERS.
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