821
FZUS51 KLWX 260857
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 AM EDT TUE MAY 26 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.
ANZ500-262300-
457 AM EDT TUE MAY 26 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONTAL BOUNDARY REMAINS STALLED NEARBY THROUGH WEDNESDAY, THEN
MOVES SOUTH OF THE AREA ON THURSDAY. SMALL CRAFT ADVISORY CONDITIONS
ARE POSSIBLE THURSDAY THROUGH FRIDAY MORNING.
ANZ535-262300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT. A SLIGHT CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
WED
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
THU
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-262300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 NM OR LESS.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-262300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
WED
SW 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. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-262300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT. PATCHY FOG. VSBY
1 TO 3 NM.
TODAY
E WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 TO 3 NM.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS. PATCHY FOG.
WED NIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-262300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT. PATCHY FOG. VSBY
1 NM OR LESS.
TODAY
E WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 NM OR
LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS. PATCHY FOG.
WED NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
THU
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-262300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT. PATCHY FOG. VSBY
1 TO 3 NM.
TODAY
E WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 TO
3 NM.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 TO 3 NM.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS. PATCHY FOG.
WED NIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 5 KT. WAVES FLAT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-262300-
CHESTER RIVER TO QUEENSTOWN MD-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE
OF SHOWERS. PATCHY FOG. VSBY 1 NM OR LESS.
TODAY
E WINDS AROUND 5 KT. WAVES FLAT. PATCHY FOG. VSBY 1 NM OR
LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS. PATCHY FOG.
WED NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING W. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-262300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE
OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 NM OR LESS.
WED
SW WINDS 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF TSTMS.
PATCHY FOG.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON AND
EVENING, THEN BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-262300-
EASTERN BAY-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE
OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS. PATCHY FOG.
WED NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE EVENING, THEN
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT OR LESS.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-262300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE
OF SHOWERS. PATCHY FOG. VSBY 1 NM OR LESS.
TODAY
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 NM OR LESS.
WED
SW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF
TSTMS. PATCHY FOG.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING S IN THE EVENING, THEN
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-262300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
N WINDS 5 KT. WAVES FLAT. A SLIGHT CHANCE
OF SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
SW WINDS 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE OF TSTMS.
PATCHY FOG.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW IN THE EVENING, THEN
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-262300-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TODAY
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 NM OR LESS.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
WED NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-262300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A
CHANCE OF SHOWERS. PATCHY FOG. VSBY 1 NM OR LESS.
TODAY
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG. VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS. PATCHY FOG.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NW WINDS 10 TO 15 KT. WAVES 2 FT.
THU NIGHT
N WINDS 10 KT. WAVES 2 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING S IN THE EVENING, THEN
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SAT
NE WINDS 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-262300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 AM EDT TUE MAY 26 2026
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF
SHOWERS. PATCHY FOG. VSBY 1 NM OR LESS.
TODAY
NE WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY FOG.
VSBY 1 NM OR LESS.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
AND TSTMS. AREAS OF FOG. VSBY 1 NM OR LESS.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS. PATCHY DENSE
FOG.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING S IN THE EVENING, THEN
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
SAT
NE WINDS 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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