845
FZUS51 KLWX 161309
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
908 AM EDT THU JUL 16 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.
ANZ500-162000-
908 AM EDT THU JUL 16 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL SHIFT TO THE SOUTH THE SECOND HALF OF THE WEEK. A
WEAK COLD FRONT WILL DROP SOUTHWARD TODAY INTO FRIDAY, THEN A
STRONGER COLD FRONT WILL APPROACH FROM THE NORTH SATURDAY.
ANZ535-162000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
908 AM EDT THU JUL 16 2026
REST OF TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF SMOKE
LATE THIS MORNING.
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS. AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT. SHOWERS WITH A CHANCE OF TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-162000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
908 AM EDT THU JUL 16 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF SMOKE
LATE THIS MORNING.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS. AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-162000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
908 AM EDT THU JUL 16 2026
REST OF TODAY
SW WINDS 5 KT. WAVES FLAT. AREAS OF SMOKE LATE THIS
MORNING.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. AREAS OF SMOKE.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS WITH A
CHANCE OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS
THROUGH THE NIGHT.
MON...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-162000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
908 AM EDT THU JUL 16 2026
REST OF TODAY
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. AREAS OF
SMOKE LATE THIS MORNING, THEN PATCHY SMOKE THIS AFTERNOON. A CHANCE
OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS. AREAS OF SMOKE.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. AREAS OF SMOKE.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE MORNING.
MON...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-162000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
908 AM EDT THU JUL 16 2026
REST OF TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. AREAS OF
SMOKE LATE THIS MORNING, THEN PATCHY SMOKE THIS AFTERNOON. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS. AREAS OF
SMOKE.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS. AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
SW WINDS 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-162000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
908 AM EDT THU JUL 16 2026
REST OF TODAY
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. AREAS OF
SMOKE LATE THIS MORNING, THEN PATCHY SMOKE THIS AFTERNOON. A CHANCE
OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS. AREAS OF SMOKE.
FRI
NE WINDS 5 KT. WAVES FLAT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. AREAS
OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-162000-
CHESTER RIVER TO QUEENSTOWN MD-
908 AM EDT THU JUL 16 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF SMOKE
LATE THIS MORNING, THEN PATCHY SMOKE THIS AFTERNOON. A SLIGHT CHANCE
OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS. AREAS OF SMOKE.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. AREAS OF SMOKE.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS. AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-162000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
908 AM EDT THU JUL 16 2026
REST OF TODAY...SE WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR
LESS. AREAS OF SMOKE LATE THIS MORNING, THEN PATCHY SMOKE THIS
AFTERNOON. A SLIGHT CHANCE OF SHOWERS THIS AFTERNOON.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS. AREAS OF SMOKE.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
SW WINDS 10 KT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-162000-
EASTERN BAY-
908 AM EDT THU JUL 16 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF SMOKE
LATE THIS MORNING, THEN PATCHY SMOKE THIS AFTERNOON. A SLIGHT CHANCE
OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS. AREAS OF SMOKE.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS. AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
SW WINDS 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-162000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
908 AM EDT THU JUL 16 2026
REST OF TODAY...W WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
AREAS OF SMOKE LATE THIS MORNING.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. AREAS OF SMOKE.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
MON...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-162000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
908 AM EDT THU JUL 16 2026
REST OF TODAY...NW WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT OR
LESS. AREAS OF SMOKE LATE THIS MORNING.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. AREAS OF SMOKE.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. AREAS OF
SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SAT NIGHT
SW WINDS 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
MON...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-162000-
PATUXENT RIVER TO BROOMES ISLAND MD-
908 AM EDT THU JUL 16 2026
REST OF TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF SMOKE
LATE THIS MORNING.
TONIGHT...SW WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. AREAS OF
SMOKE.
FRI
NE WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF SMOKE.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE
OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING NE. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH
THE NIGHT.
MON
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-162000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
908 AM EDT THU JUL 16 2026
REST OF TODAY...W WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
AREAS OF SMOKE LATE THIS MORNING.
TONIGHT...S WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT. AREAS OF SMOKE.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 2 FT. AREAS OF SMOKE.
SAT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN...W WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT. WAVES 1 TO 2 FT.
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A
CHANCE OF TSTMS THROUGH THE NIGHT.
MON...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-162000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
908 AM EDT THU JUL 16 2026
REST OF TODAY...W WINDS 5 KT
BECOMING SW LATE. WAVES 1 FT OR
LESS. AREAS OF SMOKE LATE THIS MORNING.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N LATE. WAVES 1 FT. AREAS
OF SMOKE.
FRI...NE WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT. AREAS OF
SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
WITH A CHANCE OF TSTMS.
SUN...W WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT. WAVES 1 TO 2 FT.
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A
CHANCE OF TSTMS THROUGH THE NIGHT.
MON...SE WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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