298
FZUS51 KLWX 200234
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1033 PM EDT SUN OCT 19 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.
ANZ500-200800-
1033 PM EDT SUN OCT 19 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL CROSS THE WATERS LATE TONIGHT INTO MONDAY MORNING
WITH HIGH PRESSURE RETURNING FROM THE SOUTH MONDAY NIGHT. ANOTHER
COLD FRONT WILL CROSS THE WATERS TUESDAY NIGHT. SMALL CRAFT
ADVISORIES WILL LIKELY BE NEEDED TUESDAY THROUGH THURSDAY.
ANZ535-200800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT. SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN SCATTERED
SHOWERS. VSBY 1 NM OR LESS LATE THIS EVENING.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING SW
AFTER MIDNIGHT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-200800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN SCATTERED
SHOWERS. VSBY 1 NM OR LESS LATE THIS EVENING.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 FT.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-200800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 20 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT. ISOLATED TSTMS. SHOWERS LATE THIS EVENING, THEN
SCATTERED SHOWERS. VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING SE IN THE EVENING, THEN
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-200800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 20 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 2 FT. SHOWERS LATE THIS EVENING, THEN SCATTERED SHOWERS. VSBY
1 TO 3 NM.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON NIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-200800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 20 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 3 FT. SHOWERS. VSBY 1 TO 3 NM.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON NIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS.
WED
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-200800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 15 KT
BECOMING W. GUSTS UP TO 25 KT.
WAVES 1 TO 2 FT. SHOWERS LATE THIS EVENING, THEN SCATTERED SHOWERS.
VSBY 1 TO 3 NM.
MON
W WINDS 15 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON NIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO AROUND 5 KT AFTER MIDNIGHT. WAVES 1 FT OR LESS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU...W WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-200800-
CHESTER RIVER TO QUEENSTOWN MD-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 20 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 3 FT. SHOWERS. VSBY 1 TO 3 NM.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-200800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 25 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 3 FT. SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN
SCATTERED SHOWERS. VSBY 1 NM OR LESS... INCREASING TO 1 TO 3 NM.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON NIGHT...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT.
TUE...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON.
TUE NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-200800-
EASTERN BAY-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 20 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT. SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN
NUMEROUS SHOWERS. VSBY 1 NM OR LESS... INCREASING TO 1 TO 3 NM.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
MON NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-200800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 25 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 3 FT. SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN
SCATTERED SHOWERS. VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT LATE. WAVES 1 TO 2 FT.
TUE...S WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON.
TUE NIGHT...S WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-200800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 25 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 3 FT. ISOLATED TSTMS. SHOWERS LATE THIS EVENING, THEN
SCATTERED SHOWERS. VSBY 1 NM OR LESS.
MON
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-200800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 15 KT
BECOMING W. GUSTS UP TO 25 KT.
WAVES 1 FT. SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING, THEN
SCATTERED SHOWERS. VSBY 1 NM OR LESS LATE THIS EVENING.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-200800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 25 KT
BECOMING W. GUSTS UP TO 30 KT.
WAVES 4 FT. ISOLATED TSTMS. SHOWERS. VSBY 1 NM OR LESS.
MON...W WINDS 20 TO 25 KT
DIMINISHING TO 15 KT LATE. GUSTS UP TO
30 KT. WAVES 3 FT.
MON NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT LATE. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 2 TO 3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SCATTERED SHOWERS.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-200800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1033 PM EDT SUN OCT 19 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF TONIGHT...S WINDS 25 KT
BECOMING SW. GUSTS UP TO 30 KT.
WAVES 2 TO 3 FT. ISOLATED TSTMS. SCATTERED SHOWERS LATE THIS
EVENING, THEN SHOWERS. VSBY 1 NM OR LESS.
MON...W WINDS 20 TO 25 KT
DIMINISHING TO 15 KT LATE. GUSTS UP TO
30 KT. WAVES 2 FT.
MON NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT LATE. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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