097
FZUS51 KLWX 162335
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
735 PM EDT TUE SEP 16 2025
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.
ANZ500-170800-
735 PM EDT TUE SEP 16 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COASTAL LOW OFF THE CAROLINAS WILL DRIFT NORTHWESTWARD TOWARD THE
VIRGINIA TIDEWATER AREA BY MID WEEK. HAZARDOUS MARINE CONDITIONS ARE
EXPECTED THROUGH WEDNESDAY EVENING. A COLD FRONT WILL APPROACH FROM
THE WEST LATE IN THE WEEK.
ANZ535-170800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
735 PM EDT TUE SEP 16 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
NE WINDS 15 KT WITH GUSTS TO 30 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS
AFTER MIDNIGHT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
VSBY 1 NM OR LESS.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-170800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
735 PM EDT TUE SEP 16 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
TONIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A SLIGHT
CHANCE OF TSTMS. SHOWERS. VSBY 1 NM OR LESS.
WED...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
VSBY 1 NM OR LESS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-170800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 25 TO 30 KT. GUSTS UP TO 30 KT LATE. WAVES
5 FT...SUBSIDING TO 4 FT LATE. SHOWERS WITH A SLIGHT CHANCE OF
TSTMS. VSBY 1 NM OR LESS.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. GUSTS UP TO
25 KT. WAVES 4 FT...SUBSIDING TO 2 FT IN THE AFTERNOON. A CHANCE OF
SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
VSBY 1 NM OR LESS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-170800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
735 PM EDT TUE SEP 16 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-170800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
735 PM EDT TUE SEP 16 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TONIGHT
NE WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A SLIGHT
CHANCE OF TSTMS. SHOWERS. VSBY 1 NM OR LESS.
WED...NE WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT IN THE LATE MORNING AND AFTERNOON. WAVES 2 TO 3 FT. SHOWERS
LIKELY. VSBY 1 NM OR LESS.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-170800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
735 PM EDT TUE SEP 16 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TONIGHT
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS AFTER
MIDNIGHT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS 5 KT. WAVES FLAT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E 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.
ANZ539-170800-
CHESTER RIVER TO QUEENSTOWN MD-
735 PM EDT TUE SEP 16 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS AFTER
MIDNIGHT.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. GUSTS UP TO
25 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-170800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 25 TO 30 KT. WAVES 4 FT. SHOWERS WITH A SLIGHT
CHANCE OF TSTMS. VSBY 1 NM OR LESS AFTER MIDNIGHT.
WED...NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
15 KT WITH GUSTS TO 20 KT IN THE AFTERNOON. WAVES 4 FT...SUBSIDING
TO 2 FT IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
VSBY 1 NM OR LESS.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...E WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FT.
SUN
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-170800-
EASTERN BAY-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. SHOWERS
WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS AFTER MIDNIGHT.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-170800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT...NE WINDS 30 KT. WAVES 5 FT
EXCEPT AROUND 3 FT NEAR THE
MOUTH OF THE CHOPTANK. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY
1 NM OR LESS.
WED...NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 TO 15 KT WITH GUSTS TO 20 KT IN THE AFTERNOON. WAVES 3 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-170800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 25 TO 30 KT. GUSTS UP TO 30 KT LATE. WAVES 3 FT.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
WED...NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 TO 15 KT WITH GUSTS TO 25 KT IN THE LATE MORNING AND AFTERNOON.
WAVES 2 TO 3 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS. VSBY 1 NM OR
LESS.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-170800-
PATUXENT RIVER TO BROOMES ISLAND MD-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 1 TO
2 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
WED
NE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL LATE AFTERNOON.
WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS. VSBY 1 NM OR
LESS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
VSBY 1 NM OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-170800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 25 TO 30 KT. GUSTS UP TO 45 KT THIS EVENING.
WAVES 6 FT...SUBSIDING TO 5 FT LATE. SHOWERS WITH A SLIGHT CHANCE OF
TSTMS. VSBY 1 NM OR LESS.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. GUSTS UP TO
25 KT. WAVES 3 FT. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...NE WINDS 10 TO 15 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 TO
2 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-170800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
735 PM EDT TUE SEP 16 2025
..GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
NE WINDS 25 TO 30 KT. GUSTS UP TO 30 KT LATE. WAVES 3 FT.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS. VSBY 1 NM OR LESS.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT LATE. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
WED NIGHT
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 10 TO 15 KT. WAVES 1 FT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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