998
FZUS51 KLWX 152155
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
555 PM EDT WED JUL 15 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.
ANZ500-160900-
555 PM EDT WED JUL 15 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 THURSDAY INTO FRIDAY, THEN A
STRONGER COLD FRONT WILL APPROACH FROM THE NORTH SATURDAY.
ANZ535-160900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
555 PM EDT WED JUL 15 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 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.
SAT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH TSTMS LIKELY.
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. 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.
ANZ536-160900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
555 PM EDT WED JUL 15 2026
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
THU NIGHT...W WINDS 5 KT
BECOMING N LATE. 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.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS LIKELY.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-160900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
555 PM EDT WED JUL 15 2026
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT. PATCHY
SMOKE.
THU NIGHT...S WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. AREAS OF SMOKE.
FRI...NE WINDS 10 TO 15 KT
BECOMING E 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN...W WINDS 5 TO 10 KT
BECOMING N. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS
THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON...E WINDS 5 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-160900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
555 PM EDT WED JUL 15 2026
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NE LATE. WAVES 1 FT. AREAS
OF SMOKE AFTER MIDNIGHT.
THU...SE WINDS AROUND 5 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT. AREAS OF SMOKE.
THU NIGHT...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. AREAS OF SMOKE.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH TSTMS LIKELY.
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 N AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE MORNING.
MON...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-160900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
555 PM EDT WED JUL 15 2026
TONIGHT...W WINDS 10 KT
BECOMING N LATE. WAVES 1 FT. AREAS OF
SMOKE AFTER MIDNIGHT.
THU...NW WINDS AROUND 5 KT
BECOMING SW LATE. WAVES 1 FT. AREAS OF
SMOKE.
THU NIGHT...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. AREAS OF SMOKE.
FRI...N WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES
1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH TSTMS LIKELY.
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 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 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-160900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
555 PM EDT WED JUL 15 2026
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT OR
LESS. PATCHY SMOKE AFTER MIDNIGHT.
THU...W WINDS AROUND 5 KT
INCREASING TO 5 TO 10 KT LATE. WAVES
1 FT OR LESS. AREAS OF SMOKE.
THU NIGHT...NW 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.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH TSTMS LIKELY.
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
OR LESS. 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.
ANZ539-160900-
CHESTER RIVER TO QUEENSTOWN MD-
555 PM EDT WED JUL 15 2026
TONIGHT...SW WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT. PATCHY
SMOKE AFTER MIDNIGHT.
THU...NW WINDS AROUND 5 KT
BECOMING SW LATE. WAVES 1 FT. AREAS OF
SMOKE.
THU NIGHT...SW 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 AROUND 5 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH TSTMS LIKELY.
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...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-160900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
555 PM EDT WED JUL 15 2026
TONIGHT...SW WINDS 10 KT
BECOMING NW LATE. WAVES 1 TO 2 FT.
THU...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
AREAS OF SMOKE.
THU NIGHT...SW 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
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH TSTMS LIKELY.
SAT NIGHT
SW WINDS 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. 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.
ANZ540-160900-
EASTERN BAY-
555 PM EDT WED JUL 15 2026
TONIGHT...SW WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT.
THU...NW WINDS AROUND 5 KT
BECOMING SW LATE. WAVES 1 FT. AREAS OF
SMOKE.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. AREAS OF SMOKE. VSBY 1 TO 3 NM.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
AND TSTMS LIKELY.
SAT NIGHT
SW WINDS 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...E WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-160900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
555 PM EDT WED JUL 15 2026
TONIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU...NW WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT. AREAS OF SMOKE.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. AREAS OF SMOKE. VSBY 1 TO 3 NM.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. AREAS OF SMOKE.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS AND TSTMS LIKELY.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF 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.
ANZ541-160900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
555 PM EDT WED JUL 15 2026
TONIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU...NW WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT. AREAS OF
SMOKE.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT. AREAS OF SMOKE. VSBY 1 TO 3 NM.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
AND TSTMS LIKELY.
SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN...NW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. 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.
ANZ542-160900-
PATUXENT RIVER TO BROOMES ISLAND MD-
555 PM EDT WED JUL 15 2026
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS AROUND 5 KT. WAVES 1 FT. AREAS OF SMOKE.
THU NIGHT...SW WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. AREAS OF
SMOKE.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND TSTMS LIKELY.
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. 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 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-160900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
555 PM EDT WED JUL 15 2026
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
THU...NW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 TO
2 FT. PATCHY SMOKE.
THU NIGHT...S WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 FT. PATCHY SMOKE.
FRI...NE WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 2 FT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY 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. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
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.
ANZ543-160900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
555 PM EDT WED JUL 15 2026
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT. PATCHY
SMOKE.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT LATE.
WAVES 1 FT. PATCHY SMOKE.
FRI...NE WINDS 10 TO 15 KT
BECOMING W AROUND 5 KT IN THE
AFTERNOON. WAVES 1 FT. AREAS OF SMOKE.
FRI NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
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 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS LIKELY 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. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
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.
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