051
FZUS51 KLWX 300627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT SAT MAY 30 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.
ANZ500-302000-
227 AM EDT SAT MAY 30 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL DEPART TO THE SOUTHEAST THIS EVENING, WHICH WILL
BE FOLLOWED BY A DRY COLD FRONT CROSSING THE AREA EARLY SATURDAY
MORNING. HIGH PRESSURE WILL RETURN FOR SUNDAY. A WEAK FRONT MAY
AFFECT THE REGION EARLY NEXT WEEK. A SMALL CRAFT ADVISORY MAY BE
NEEDED FOR PORTIONS OF THE WATERS SUNDAY NIGHT.
ANZ535-302000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT SAT MAY 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS EVENING...
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-302000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT SAT MAY 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS EVENING...
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING E IN THE EVENING, THEN BECOMING
W AFTER MIDNIGHT. WAVES 1 FT.
ANZ537-302000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT SAT MAY 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS EVENING...
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E
5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON...W WINDS 5 TO 10 KT
BECOMING N IN THE AFTERNOON. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING E IN THE EVENING, THEN BECOMING
W AFTER MIDNIGHT. WAVES 1 FT.
ANZ530-302000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES
1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
N WINDS AROUND 5 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-302000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 2 FT.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ538-302000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 FT.
SUN
W WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
SW WINDS 5 KT. WAVES FLAT.
MON
N WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
NE WINDS 5 KT. WAVES FLAT.
TUE
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-302000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
AROUND 5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-302000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...NE WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
ANZ540-302000-
EASTERN BAY-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
NW WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-302000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
W WINDS 10 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E
5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SUN
N WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON...W WINDS 5 TO 10 KT
BECOMING N IN THE AFTERNOON. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-302000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT SAT MAY 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
OVERNIGHT
W WINDS 10 KT. WAVES 1 TO 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...NE WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
ANZ542-302000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT SAT MAY 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS EVENING...
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT...NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E
AROUND 5 KT AFTER MIDNIGHT. WAVES 1 FT.
SUN
N WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ534-302000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT SAT MAY 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS EVENING...
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...N WINDS 15 TO 20 KT
BECOMING E 10 TO 15 KT WITH GUSTS
TO 20 KT IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING NE
AROUND 5 KT LATE. WAVES 2 TO 3 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...SW WINDS 10 TO 15 KT
BECOMING N 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 10 TO 15 KT
BECOMING E IN THE EVENING, THEN
BECOMING W AFTER MIDNIGHT. WAVES 1 TO 2 FT.
ANZ543-302000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT SAT MAY 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EDT THIS MORNING THROUGH
THIS EVENING...
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING E IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING NE AROUND 5 KT
LATE. WAVES 1 TO 2 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW 5 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT IN THE EVENING,
THEN BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
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