455
FZUS51 KLWX 232057
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM EDT SAT MAY 23 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.
ANZ500-240800-
457 PM EDT SAT MAY 23 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONT WILL REMAIN STALLED ACROSS THE SOUTHEASTERN U.S. THROUGH
LATE TONIGHT, THEN LIFT BACK TO THE NORTH SUNDAY AFTERNOON THROUGH
MONDAY. THE FRONT REMAINS NEARBY DURING THE EARLY TO MIDDLE PORTIONS
OF NEXT WEEK, BEFORE SURGING TO THE SOUTH BY THURSDAY. WINDS ARE
FORECAST TO REMAIN BELOW SCA LEVELS NEXT WEEK.
ANZ535-240800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT. SHOWERS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
MON NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
THROUGH THE DAY. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
A CHANCE OF TSTMS IN THE AFTERNOON.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-240800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT. SHOWERS.
SUN
N WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
MON
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS
LIKELY.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS. A CHANCE
OF TSTMS THROUGH THE NIGHT, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH
THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-240800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
3 FT. SHOWERS LIKELY.
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 2 TO 3 FT. SHOWERS.
SUN
SE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH THE
NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-240800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS.
TONIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS WITH A
CHANCE OF TSTMS.
SUN NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS THROUGH THE DAY.
WED
W WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-240800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. SHOWERS.
TONIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS THROUGH THE DAY.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-240800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS.
TONIGHT...E WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. GUSTS UP
TO 25 KT. WAVES 1 TO 2 FT. SHOWERS.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS THROUGH
THE DAY. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-240800-
CHESTER RIVER TO QUEENSTOWN MD-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
E WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS THROUGH THE DAY.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-240800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. SHOWERS.
TONIGHT...E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT LATE. WAVES 2 TO 3 FT. SHOWERS.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
MON
NE WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY THROUGH THE
DAY. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-240800-
EASTERN BAY-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS.
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL EARLY
MORNING. WAVES 1 TO 2 FT. SHOWERS.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
SE WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY THROUGH THE
DAY. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-240800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. SHOWERS.
TONIGHT...E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT LATE. WAVES 2 TO 3 FT. SHOWERS.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY THROUGH THE
DAY. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-240800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SHOWERS.
TONIGHT...E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT LATE. WAVES 1 TO 2 FT. SHOWERS.
SUN
SE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
SE WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
MON NIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF SHOWERS.
TUE
LIGHT WINDS. WAVES FLAT. SHOWERS LIKELY THROUGH THE DAY. A
CHANCE OF SHOWERS THROUGH THE NIGHT.
WED
W WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-240800-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS.
TONIGHT...E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 FT. SHOWERS.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS
LIKELY.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
THROUGH THE DAY. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-240800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
3 FT. SHOWERS LIKELY.
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
TUE
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY THROUGH THE
DAY. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-240800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 PM EDT SAT MAY 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. A CHANCE OF SHOWERS.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
MON NIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
TUE
S WINDS AROUND 5 KT. WAVES FLAT.
WED
W WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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