514
FZUS51 KLWX 191457
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 AM EDT MON OCT 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.
ANZ500-192000-
1057 AM EDT MON OCT 19 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE REMAINS POSITIONED NORTH OF THE AREA THROUGH THE
MIDDLE OF THE WEEK AS LOW PRESSURE MEANDERS OFF THE MID-ATLANTIC
COAST. THE LOW WILL LIKELY DEPART BY THE END OF THE WEEK AS HIGH
PRESSURE BUILDS OVERHEAD. ADDITIONAL SMALL CRAFT ADVISORIES WILL
LIKELY BE NEEDED AT TIMES THROUGH MUCH OF THE WEEK. MARGINAL GALE-
FORCE GUSTS ARE ALSO POSSIBLE AT TIMES ON THE WIDER WATERS OF THE
MIDDLE CHESAPEAKE BAY.
ANZ535-192000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-192000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-192000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TONIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT. WAVES 3 FT.
TUE...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 TO 15 KT WITH GUSTS TO 25 KT LATE. WAVES 3 FT.
TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NE WINDS 10 TO 15 KT. WAVES 2 FT.
ANZ530-192000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
REST OF TODAY
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 FT.
TONIGHT
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
THU
N WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
NE WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ531-192000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 15 TO 20 KT. GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT.
WED
N WINDS 15 TO 20 KT. WAVES 2 FT.
WED NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 FT.
FRI...N WINDS 15 TO 20 KT
BECOMING NE 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ538-192000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
REST OF TODAY
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT THIS
AFTERNOON. WAVES 1 FT.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 10 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ539-192000-
CHESTER RIVER TO QUEENSTOWN MD-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ532-192000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
TUE...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
15 KT WITH GUSTS TO 20 KT LATE. WAVES 3 FT.
TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
WED
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
WED NIGHT
N WINDS 10 TO 15 KT. WAVES 2 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
FRI...N WINDS 15 TO 20 KT
BECOMING NE 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ540-192000-
EASTERN BAY-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 15 TO 20 KT. GUSTS UP TO 25 KT. WAVES 1 TO 2 FT.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT...N WINDS 10 KT
INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
WED
N WINDS 15 TO 20 KT. WAVES 2 FT.
WED NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
THU
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ533-192000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TONIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT. WAVES 3 FT.
TUE
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE NIGHT
N WINDS 20 TO 25 KT. WAVES 3 FT.
WED
N WINDS 20 TO 25 KT. WAVES 3 FT.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
FRI...N WINDS 15 TO 20 KT
BECOMING NE 10 TO 15 KT. WAVES 2 TO
3 FT.
ANZ541-192000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT. WAVES 2 TO 3 FT.
TUE
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...N WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 FT.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 FT.
FRI...N WINDS 15 TO 20 KT
BECOMING NE 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ542-192000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TODAY
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TUE NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-192000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
REST OF TODAY
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT...N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT
INCREASING TO
35 KT AFTER MIDNIGHT. WAVES 4 FT.
TUE...N WINDS 20 TO 25 KT. GUSTS UP TO 35 KT
DIMINISHING TO
25 KT LATE. WAVES 5 FT.
TUE NIGHT
N WINDS 20 TO 25 KT. WAVES 4 FT.
WED
N WINDS 20 TO 25 KT. WAVES 4 FT.
WED NIGHT
N WINDS 15 TO 20 KT. WAVES 3 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
FRI
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ543-192000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
REST OF TODAY
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
TUE
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT...N WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. WAVES 2 FT.
WED
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT.
THU
N WINDS 15 TO 20 KT. WAVES 2 FT.
FRI
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
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