954
FZUS51 KLWX 271827
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 PM 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.
ANZ500-280800-
227 PM 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.
ANZ535-280800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 PM EDT WED MAY 27 2026
THIS AFTERNOON
NW WINDS 5 KT. WAVES LESS THAN 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. GUSTS UP TO 20 KT IN THE LATE MORNING AND
AFTERNOON. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
SW 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.
ANZ536-280800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 PM EDT WED MAY 27 2026
...SEVERE THUNDERSTORM WATCH 247 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 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
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-280800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 PM EDT WED MAY 27 2026
...SEVERE THUNDERSTORM WATCH 247 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
THIS AFTERNOON
W 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 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 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-280800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 PM EDT WED MAY 27 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
NW 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 AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-280800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 PM EDT WED MAY 27 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS AND TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N LATE. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
THU
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
FRI...NW 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. 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.
ANZ538-280800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 PM EDT WED MAY 27 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TONIGHT
NW WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. 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
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-280800-
CHESTER RIVER TO QUEENSTOWN MD-
227 PM EDT WED MAY 27 2026
THIS AFTERNOON
W 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 TO 2 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 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.
ANZ532-280800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 PM EDT WED MAY 27 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF
TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N LATE. 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 TO 15 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. WAVES 1 TO 2 FT.
SUN...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-280800-
EASTERN BAY-
227 PM EDT WED MAY 27 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES FLAT. SHOWERS 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...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES 1 FT
OR LESS.
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 S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-280800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 PM EDT WED MAY 27 2026
...SEVERE THUNDERSTORM WATCH 247 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
THIS AFTERNOON
W 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 TO 2 FT.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 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. WAVES 2 FT.
SUN...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-280800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 PM EDT WED MAY 27 2026
...SEVERE THUNDERSTORM WATCH 247 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
THIS AFTERNOON
W 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 10 TO 15 KT WITH GUSTS TO 20 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 S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-280800-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 PM EDT WED MAY 27 2026
...SEVERE THUNDERSTORM WATCH 247 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
THIS AFTERNOON
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 AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-280800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 PM EDT WED MAY 27 2026
...SEVERE THUNDERSTORM WATCH 247 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
THIS AFTERNOON
W 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 WITH GUSTS TO 20 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 2 FT.
SUN...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-280800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 PM EDT WED MAY 27 2026
...SEVERE THUNDERSTORM WATCH 247 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
THIS AFTERNOON
W 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. A CHANCE OF SHOWERS AND
TSTMS.
THU
N WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT
N WINDS 10 TO 15 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 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING SW 10 TO 15 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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