967
FZUS51 KLWX 270857
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 AM EDT WED MAY 27 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.
ANZ500-272300-
457 AM EDT WED MAY 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONTAL BOUNDARY REMAINS STALLED NEARBY THROUGH WEDNESDAY, THEN
MOVES SOUTH OF THE AREA ON THURSDAY. SMALL CRAFT ADVISORY CONDITIONS
ARE POSSIBLE THURSDAY THROUGH FRIDAY MORNING.
ANZ535-272300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-272300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH TSTMS LIKELY.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH TSTMS
LIKELY.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-272300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES FLAT. A CHANCE OF
SHOWERS.
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-272300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
SW WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-272300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
SW WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TONIGHT...W WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 TO 2 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-272300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT. SHOWERS LIKELY.
TODAY
W WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TONIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-272300-
CHESTER RIVER TO QUEENSTOWN MD-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-272300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-272300-
EASTERN BAY-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-272300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 10 KT. WAVES 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-272300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING W IN THE AFTERNOON. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
SUN...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-272300-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS
LIKELY WITH A SLIGHT CHANCE OF TSTMS.
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-272300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
THU
N WINDS 10 KT. WAVES 1 TO 2 FT.
THU NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING W IN THE AFTERNOON. WAVES 1 TO
2 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
SUN...N WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-272300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 AM EDT WED MAY 27 2026
REST OF THE OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TODAY
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT.
SUN...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page