004
FZUS51 KLWX 032057
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM EDT SAT OCT 3 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.
ANZ500-040800-
457 PM EDT SAT OCT 3 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL STALL NEAR THE AREA THIS WEEKEND AS A WAVE OF LOW
PRESSURE PASSES TO THE SOUTH. A SECOND COLD FRONT WILL CROSS THE
AREA MONDAY. HIGH PRESSURE WILL FOLLOW THROUGH THE MIDDLE OF NEXT
WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED MONDAY INTO
TUESDAY.
ANZ535-040800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
MON
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-040800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SHOWERS LIKELY.
TONIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
MON
NW 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
BECOMING SE. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-040800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT. SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
MON
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING SE AROUND 5 KT. WAVES 1 TO
2 FT...SUBSIDING TO FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ530-040800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-040800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A
SLIGHT CHANCE OF SHOWERS.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 5 TO 10 KT...BECOMING S. WAVES 1 TO 2 FT
SUBSIDING
TO FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-040800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE
OF SHOWERS.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
MON
NW 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
BECOMING S. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-040800-
CHESTER RIVER TO QUEENSTOWN MD-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
MON
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 KT. WAVES 2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-040800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT. SHOWERS
LIKELY.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING S AROUND 5 KT. WAVES 1 TO
2 FT...SUBSIDING TO FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
ANZ540-040800-
EASTERN BAY-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SHOWERS LIKELY.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ533-040800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT. SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING SE AROUND 5 KT. WAVES 1 TO
2 FT...SUBSIDING TO FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-040800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING SE AROUND 5 KT. WAVES 1 FT OR
LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ542-040800-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SHOWERS.
TONIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NE WINDS 5 TO 10 KT
BECOMING LIGHT. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-040800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 10 KT. WAVES 2 FT. SHOWERS.
TONIGHT
NE WINDS 10 TO 15 KT. WAVES 2 FT. SHOWERS.
SUN...NE WINDS 10 TO 15 KT
BECOMING N 5 KT LATE. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE...N WINDS 10 TO 15 KT...BECOMING E 5 KT. WAVES 2 TO 3 FT
SUBSIDING TO 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-040800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 PM EDT SAT OCT 3 2026
REST OF THIS AFTERNOON
NE WINDS 10 KT. WAVES 1 FT. SHOWERS.
TONIGHT
NE WINDS 10 KT. WAVES 1 FT. SHOWERS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT...BECOMING E 5 KT. WAVES 1 TO 2 FT
SUBSIDING TO FLAT AFTER MIDNIGHT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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