097
FZUS51 KLWX 092100
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
459 PM EDT MON MAR 9 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.
ANZ500-100800-
459 PM EDT MON MAR 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A STRONG COLD FRONT WILL LIKELY IMPACT THE REGION LATE WEDNESDAY
INTO THURSDAY. AN ADDITIONAL FRONT WILL CROSS THE WATERS THIS
WEEKEND. SMALL CRAFT ADVISORIES MAY BE NEEDED AT TIMES FOR PORTIONS
OF THE WATERS, ESPECIALLY MID TO LATE WEEK.
ANZ535-100800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED...S WINDS AROUND 5 KT
BECOMING SW 10 TO 15 KT WITH GUSTS TO
25 KT IN THE AFTERNOON. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT...SW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY THROUGH THE DAY. A CHANCE OF
RAIN IN THE EVENING.
FRI...S WINDS 5 TO 10 KT
BECOMING SW 15 TO 20 KT IN THE AFTERNOON
AND EVENING, THEN BECOMING W 5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ536-100800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT. WAVES 2 FT. RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO AROUND 5 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN THROUGH THE DAY. A
CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ537-100800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF RAIN.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN THROUGH THE DAY.
FRI...SE WINDS 5 TO 10 KT
BECOMING S 15 TO 20 KT IN THE AFTERNOON
AND EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 1 TO 2 FT.
ANZ530-100800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO
3 NM.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO AROUND 5 KT. WAVES 1 TO
2 FT. RAIN LIKELY THROUGH THE DAY, THEN A CHANCE OF RAIN IN THE
EVENING.
FRI...S WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ531-100800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 NM OR
LESS.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN LIKELY
THROUGH THE DAY, THEN A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 4 FT IN THE AFTERNOON AND EVENING, THEN
SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ538-100800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES FLAT.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO
3 NM.
TUE
S WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN LIKELY.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT. RAIN LIKELY
THROUGH THE DAY, THEN A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 10 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
ANZ539-100800-
CHESTER RIVER TO QUEENSTOWN MD-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
S WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT. RAIN LIKELY.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN LIKELY
THROUGH THE DAY, THEN A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING SW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 2 TO 3 FT.
ANZ532-100800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES FLAT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 TO
3 NM.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN
THROUGH THE DAY, THEN A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 3 FT.
ANZ540-100800-
EASTERN BAY-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES FLAT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY
1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT. RAIN LIKELY.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN THROUGH THE DAY, THEN A CHANCE OF
RAIN IN THE EVENING.
FRI...S WINDS 15 TO 20 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ533-100800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 NM OR
LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN
THROUGH THE DAY. A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 3 FT.
ANZ541-100800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES FLAT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG. VSBY 1 TO
3 NM.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF RAIN.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN
THROUGH THE DAY, THEN A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING SW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 2 TO 3 FT.
ANZ542-100800-
PATUXENT RIVER TO BROOMES ISLAND MD-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. RAIN.
FRI...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
ANZ534-100800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 NM OR
LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG. VSBY 1 NM OR
LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF RAIN.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT. RAIN.
FRI...SE WINDS 10 TO 15 KT
BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 FT...BUILDING TO 3 FT.
ANZ543-100800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
459 PM EDT MON MAR 9 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES FLAT. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY DENSE FOG.
VSBY 1 NM OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. PATCHY FOG. VSBY 1 NM
OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF RAIN.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 15 TO 20 KT. WAVES 1 TO
2 FT. RAIN.
FRI...E WINDS 10 TO 15 KT
BECOMING SW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
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