100
FZUS51 KLWX 251304
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
904 AM EDT SAT APR 25 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.
ANZ500-252000-
904 AM EDT SAT APR 25 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A BACKDOOR COLD FRONT WILL REMAIN STALLED TO THE SOUTH THROUGH
EARLY SUNDAY BEFORE THE SYSTEM PUSHES OUT TO SEA. HAZARDOUS MARINE
CONDITIONS ARE LIKELY FOR MOST OF THIS WEEKEND, BEFORE WINDS
DECREASE EARLY NEXT WEEK. HIGH PRESSURE BUILDS TO THE NORTH LATE IN
THE WEEKEND AND INTO EARLY NEXT WEEK. ANOTHER FRONTAL SYSTEM
APPROACHES FROM THE WEST BY THE MIDDLE OF NEXT WEEK. SMALL CRAFT
ADVISORIES MAY NEED TO BE EXTENDED THROUGH MUCH OF MONDAY.
ANZ535-252000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS THIS AFTERNOON.
TONIGHT
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 WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING. SHOWERS LIKELY.
ANZ536-252000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT...E WINDS 10 TO 15 KT
BECOMING NE LATE. GUSTS UP TO
20 KT. WAVES 1 FT. SHOWERS AND SCATTERED TSTMS.
SUN
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-252000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SCATTERED SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT...E WINDS 10 TO 15 KT
BECOMING NE LATE. GUSTS UP TO
25 KT. WAVES 2 TO 3 FT. SHOWERS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS
LIKELY.
SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY. SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-252000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
ISOLATED SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS THIS
AFTERNOON.
TONIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY. SHOWERS LIKELY THROUGH THE NIGHT.
ANZ531-252000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SCATTERED SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
MON
NE WINDS 10 TO 15 KT. WAVES 2 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY.
ANZ538-252000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. SCATTERED SHOWERS THIS AFTERNOON.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
NE WINDS 10 TO 15 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 10 KT. WAVES 1 FT.
MON NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY.
ANZ539-252000-
CHESTER RIVER TO QUEENSTOWN MD-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SCATTERED SHOWERS THIS AFTERNOON.
TONIGHT
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 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY.
ANZ532-252000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SCATTERED SHOWERS THIS AFTERNOON.
TONIGHT...E WINDS 15 TO 20 KT
BECOMING NE LATE. GUSTS UP TO
30 KT. WAVES 2 TO 3 FT. SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY.
ANZ540-252000-
EASTERN BAY-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. SCATTERED SHOWERS THIS AFTERNOON.
TONIGHT...E WINDS 15 TO 20 KT. GUSTS UP TO 25 KT
INCREASING TO
30 KT LATE. WAVES 2 FT. SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS LIKELY THROUGH THE NIGHT.
ANZ533-252000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
SE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
ISOLATED SHOWERS THIS AFTERNOON.
TONIGHT...E WINDS 15 TO 20 KT
BECOMING NE LATE. GUSTS UP TO
30 KT. WAVES 3 FT. SHOWERS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A CHANCE
OF SHOWERS.
SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY, THEN SHOWERS LIKELY THROUGH THE NIGHT.
ANZ541-252000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
ISOLATED SHOWERS THIS AFTERNOON.
TONIGHT...E WINDS 10 TO 15 KT
BECOMING NE 15 TO 20 KT LATE. GUSTS
UP TO 25 KT. WAVES 2 FT. SHOWERS.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS LIKELY THROUGH THE NIGHT.
ANZ542-252000-
PATUXENT RIVER TO BROOMES ISLAND MD-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT...NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 1 FT. SHOWERS.
SUN
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A CHANCE OF
SHOWERS.
SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY, THEN SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-252000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...E WINDS 15 KT
BECOMING NE LATE. GUSTS UP TO 25 KT.
WAVES 3 FT. SHOWERS.
SUN
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. SHOWERS
LIKELY.
SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS LIKELY THROUGH THE NIGHT.
ANZ543-252000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
904 AM EDT SAT APR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON
REST OF TODAY
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT...E WINDS 10 TO 15 KT
BECOMING NE LATE. GUSTS UP TO
25 KT. WAVES 2 FT. SHOWERS.
SUN
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. SHOWERS
LIKELY.
SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
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