816
FZUS51 KLWX 190626
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 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-
226 AM EDT MON OCT 19 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE LINGERS OVERHEAD THROUGH THE MIDDLE OF THE WEEK AS LOW
PRESSURE MEANDERS OFF THE MID-ATALANTIC COAST. 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-
226 AM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
AFTERNOON...
OVERNIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
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-
226 AM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
THIS AFTERNOON...
OVERNIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
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-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
OVERNIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
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 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-
226 AM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
OVERNIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
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-
226 AM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
TUESDAY MORNING...
OVERNIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
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-
226 AM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
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 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-
226 AM EDT MON OCT 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH
TUESDAY MORNING...
OVERNIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 10 KT. WAVES 1 FT.
MON NIGHT
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 2 FT.
FRI
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ532-192000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
OVERNIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
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 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-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
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-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
OVERNIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
N WINDS 20 TO 25 KT WITH GUSTS 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-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
OVERNIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
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-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
OVERNIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
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-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
OVERNIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON NIGHT...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 WITH GUSTS TO 35 KT. 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-
226 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
OVERNIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON NIGHT
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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