251
FZUS51 KLWX 251827
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 PM EDT MON MAY 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.
ANZ500-260800-
227 PM EDT MON MAY 25 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
THE STALLED BOUNDARY OVER THE REGION BRIEFLY PULLS NORTH TODAY, THEN
RETURNS AND STALLS NEARBY TONIGHT THROUGH WEDNESDAY. EVENTUALLY,
THIS SYSTEM SURGES SOUTH BY THURSDAY. SMALL CRAFT ADVISORY
CONDITIONS ARE POSSIBLE LATE WEDNESDAY NIGHT THROUGH FRIDAY.
ANZ535-260800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS.
AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-260800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
SE WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS.
AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-260800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
N WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT...E WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT. WIDESPREAD SHOWERS. AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-260800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS.
AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF FOG. VSBY 1 TO
3 NM.
TUE NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-260800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS.
AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. AREAS OF FOG. VSBY 1 TO
3 NM.
TUE NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-260800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS WITH
ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS. AREAS OF
FOG. VSBY 1 TO 3 NM.
TUE
E WINDS 5 KT. WAVES FLAT. AREAS OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
W WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-260800-
CHESTER RIVER TO QUEENSTOWN MD-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS WITH
ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS. AREAS OF
FOG. VSBY 1 TO 3 NM.
TUE
SE WINDS 5 KT. WAVES FLAT. AREAS OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
SW WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-260800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS.
AREAS OF FOG. VSBY 1 NM OR LESS.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-260800-
EASTERN BAY-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS WITH
ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS. AREAS OF
FOG. VSBY 1 TO 3 NM.
TUE
SE WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS. AREAS OF FOG.
VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-260800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS.
AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-260800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES FLAT. WIDESPREAD SHOWERS WITH
ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS.
AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-260800-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD SHOWERS.
AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-260800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON...SW WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT.
WIDESPREAD SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT...E WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT. WIDESPREAD SHOWERS. AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN
THE MORNING.
FRI...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-260800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 PM EDT MON MAY 25 2026
THIS AFTERNOON
S WINDS 5 KT. WAVES LESS THAN 1 FT. WIDESPREAD
SHOWERS WITH ISOLATED TSTMS. AREAS OF FOG.
TONIGHT...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 FT. WIDESPREAD SHOWERS. AREAS OF FOG. VSBY 1 TO 3 NM.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS. AREAS
OF FOG. VSBY 1 TO 3 NM.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
FRI...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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