817
FZUS51 KLWX 241459
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1059 AM EDT FRI APR 24 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.
ANZ500-242000-
1059 AM EDT FRI APR 24 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A BACKDOOR COLD FRONT WILL MOVE ACROSS THE AREA TODAY, BEFORE
STALLING OUT AND LINGERING NEARBY THROUGH SATURDAY NIGHT. SMALL
CRAFT ADVISORIES MAY BE NEEDED FOR PORTIONS OF THE WATERS IN EAST TO
SOUTHEAST FLOW LATE TONIGHT INTO SATURDAY, AND THEN AGAIN IN
NORTHERLY FLOW ON SUNDAY. HIGH PRESSURE BUILDS TO THE NORTH LATE IN
THE WEEKEND AND INTO EARLY NEXT WEEK.
ANZ535-242000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
SAT NIGHT
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
SUN
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-242000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 FT.
MON...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-242000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SHOWERS.
SUN
N WINDS 15 TO 20 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-242000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. ISOLATED SHOWERS THIS
AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
LATE. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
ANZ531-242000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
NE WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH
ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
LATE. WAVES 2 FT. SHOWERS LIKELY.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-242000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH
ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-242000-
CHESTER RIVER TO QUEENSTOWN MD-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
NE WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH
ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-242000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. SHOWERS.
SUN
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-242000-
EASTERN BAY-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
NE WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS WITH
ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-242000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
SAT NIGHT
NE WINDS 20 TO 25 KT. WAVES 3 FT. SHOWERS.
SUN
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
MON...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE...SE WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-242000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 20 TO 25 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 FT.
MON...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO
2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-242000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT NIGHT...E WINDS 10 KT
BECOMING NE 15 TO 20 KT WITH GUSTS TO
25 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-242000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1059 AM EDT FRI APR 24 2026
REST OF TODAY
N WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
MON...N WINDS 15 TO 20 KT
BECOMING NE 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
TUE...SE WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-242000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1059 AM EDT FRI APR 24 2026
REST OF TODAY...NW WINDS 5 KT
BECOMING E LATE. WAVES 1 FT OR
LESS. SCATTERED SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
SAT NIGHT
NE WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON...NE WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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