916
FZUS51 KLWX 031942
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
342 PM EDT FRI JUL 3 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.
ANZ500-040800-
342 PM EDT FRI JUL 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A BROAD AREA OF HOT HIGH PRESSURE WILL REMAIN NEAR THE MID-ATLANTIC
THROUGH THE HOLIDAY WEEKEND. THE CHANCE FOR STRONG THUNDERSTORMS
INCREASES THIS WEEKEND INTO EARLY NEXT WEEK, WITH SPECIAL MARINE
WARNINGS POSSIBLE. A FRONTAL ZONE WILL MEANDER NEARBY ON SUNDAY INTO
MONDAY, BEFORE DRIFTING SOUTH OF THE WATERS THEREAFTER.
ANZ535-040800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
TUE
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF TSTMS THROUGH
THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-040800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SAT...W WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
TUE
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF TSTMS THROUGH
THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-040800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT.
SAT...W WINDS AROUND 5 KT
BECOMING SE LATE. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS THROUGH
THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-040800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
342 PM EDT FRI JUL 3 2026
...SEVERE THUNDERSTORM WATCH 448 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT...W WINDS AROUND 5 KT
BECOMING SW LATE. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-040800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
342 PM EDT FRI JUL 3 2026
...SEVERE THUNDERSTORM WATCH 448 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT...NW WINDS AROUND 5 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT OR LESS. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-040800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
342 PM EDT FRI JUL 3 2026
...SEVERE THUNDERSTORM WATCH 448 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES FLAT.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT...W WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SUN
S WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A
CHANCE OF TSTMS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-040800-
CHESTER RIVER TO QUEENSTOWN MD-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT...W WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT OR LESS. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-040800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT.
SAT...W WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-040800-
EASTERN BAY-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
SAT...W WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT OR LESS. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-040800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT.
SAT...W WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE...NW WINDS 5 TO 10 KT
BECOMING E. WAVES 1 FT. A CHANCE OF
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-040800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...W WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT OR LESS. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-040800-
PATUXENT RIVER TO BROOMES ISLAND MD-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT...NW WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON...E WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-040800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...W WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON...SE WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN THE AFTERNOON. A CHANCE OF
TSTMS. SHOWERS LIKELY THROUGH THE NIGHT.
TUE...W WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON AND
EVENING, THEN BECOMING W AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-040800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
342 PM EDT FRI JUL 3 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...W WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT OR LESS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF TSTMS. SHOWERS LIKELY THROUGH THE NIGHT.
TUE...SW WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT. A CHANCE OF
TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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