909
FZUS51 KLWX 200258
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1058 PM EDT SAT SEP 19 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.
ANZ500-200800-
1058 PM EDT SAT SEP 19 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE BRIEFLY WILL BUILD OVER THE NORTHEASTERN U.S. ON
SATURDAY BEFORE A FRONTAL SYSTEM LOOMS NEARBY ON SUNDAY AND INTO
EARLY NEXT WEEK. WIND GUSTS REMAIN ELEVATED AT TIMES SATURDAY NIGHT
THROUGH WEDNESDAY, WHICH MAY PROMPT SMALL CRAFT ADVISORIES.
ANZ535-200800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1058 PM EDT SAT SEP 19 2026
REST OF TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT...SW WINDS 5 KT
BECOMING N LATE. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-200800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1058 PM EDT SAT SEP 19 2026
REST OF TONIGHT
SE WINDS 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-200800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT...S WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
THU
N WINDS 20 TO 25 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
ANZ530-200800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1058 PM EDT SAT SEP 19 2026
REST OF TONIGHT
SE WINDS 10 KT. WAVES 1 FT.
SUN...S WINDS 10 TO 15 KT
BECOMING SW LATE. GUSTS UP TO 20 KT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NE WINDS 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-200800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT. A CHANCE
OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-200800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN
S WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NE WINDS 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-200800-
CHESTER RIVER TO QUEENSTOWN MD-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT, THEN
BECOMING N 10 TO 15 KT LATE. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 15 TO 20 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-200800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 20 TO 25 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-200800-
EASTERN BAY-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-200800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
THU
N WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-200800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING N LATE. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-200800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 KT. WAVES 1 FT.
SUN
S WINDS 10 KT. WAVES 1 FT.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 15 TO 20 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-200800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 2 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE...NE WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT IN THE AFTERNOON. WAVES 3 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
WED
NE WINDS 25 TO 30 KT. WAVES 5 FT. A CHANCE OF SHOWERS.
THU
N WINDS 25 TO 30 KT. WAVES 5 FT. A CHANCE OF SHOWERS.
ANZ543-200800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1058 PM EDT SAT SEP 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING
REST OF TONIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
TUE...NE WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT IN THE AFTERNOON. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
WED
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
THU
N WINDS 25 TO 30 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
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