085
FZUS51 KLWX 041831
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 PM EDT THU JUN 4 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.
ANZ500-050800-
230 PM EDT THU JUN 4 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE STRENGTHENS OVER THE REGION THROUGH THE END OF THE
WEEK. A COLD FRONT DROPS INTO THE AREA EARLY SUNDAY BEFORE SETTLING
NEAR THE CAROLINAS EARLY NEXT WEEK. AT THE SAME TIME, HIGH PRESSURE
BUILDS OVER THE WATERS. SMALL CRAFT ADVISORIES MAY BE NEEDED AGAIN
FRIDAY INTO SATURDAY IN SOUTHERLY CHANNELING FLOW UP THE CHESAPEAKE
BAY. ADDITIONAL ADVISORIES MAY BE NEEDED EARLY NEXT WEEK AS WELL.
ANZ535-050800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-050800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT.
MON...E WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT.
ANZ537-050800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
MON...NE WINDS 10 TO 15 KT
BECOMING E. WAVES 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-050800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-050800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON...E WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FT.
ANZ538-050800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
FRI
SW WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SUN
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-050800-
CHESTER RIVER TO QUEENSTOWN MD-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-050800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT...SW WINDS 5 KT
BECOMING S 10 TO 15 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
MON...E WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-050800-
EASTERN BAY-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN...NW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-050800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
MON...E WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-050800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
W WINDS 5 KT. WAVES FLAT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
MON...E WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-050800-
PATUXENT RIVER TO BROOMES ISLAND MD-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-050800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT
SW WINDS 10 KT. WAVES 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 2 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 2 FT.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
MON...NE WINDS 10 TO 15 KT
BECOMING E. WAVES 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-050800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
230 PM EDT THU JUN 4 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT
SW WINDS 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
E WINDS 10 TO 15 KT. WAVES 1 FT.
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