963
FZUS51 KLWX 122359
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
759 PM EDT FRI JUN 12 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.
ANZ500-130800-
759 PM EDT FRI JUN 12 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT BRINGS POTENTIAL FOR MORE WIDESPREAD SEVERE
THUNDERSTORMS TODAY INTO TONIGHT. SMALL CRAFT ADVISORIES MAY BE
NEEDED IN THE WAKE OF THE FRONT THIS EVENING INTO SATURDAY MORNING,
AND THEN AGAIN IN SOUTHERLY CHANNELING ON SUNDAY. GUSTY WINDS AND
RAIN CHANCES COULD RETURN SUNDAY AFTERNOON.
ANZ535-130800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
TONIGHT
W WINDS 5 KT. GUSTS UP TO 20 KT EARLY THIS EVENING. WAVES
1 FT. TSTMS LIKELY WITH NUMEROUS SHOWERS THIS EVENING.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-130800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT. TSTMS
LIKELY WITH NUMEROUS SHOWERS THIS EVENING.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-130800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS WITH A
CHANCE OF TSTMS THIS EVENING.
SAT...N WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
MON NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-130800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
759 PM EDT FRI JUN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW LATE. GUSTS UP TO 20 KT.
WAVES 1 FT. SCATTERED SHOWERS WITH A CHANCE OF TSTMS THIS EVENING.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-130800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
759 PM EDT FRI JUN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
TONIGHT...W WINDS 10 KT
BECOMING NW AFTER MIDNIGHT. GUSTS UP TO
20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS WITH A CHANCE OF TSTMS
THIS EVENING.
SAT...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT
OR LESS.
SAT NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-130800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
TONIGHT...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING NW
LATE. WAVES 1 FT. SCATTERED SHOWERS WITH A CHANCE OF TSTMS THIS
EVENING.
SAT
NW WINDS 5 KT. WAVES FLAT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-130800-
CHESTER RIVER TO QUEENSTOWN MD-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. GUSTS UP
TO 20 KT. WAVES 1 FT. SCATTERED SHOWERS WITH A CHANCE OF TSTMS THIS
EVENING.
SAT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-130800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT. TSTMS LIKELY WITH NUMEROUS SHOWERS THIS
EVENING.
SAT...N WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES 1 FT
OR LESS.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON. SHOWERS WITH A
CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT.
MON NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS THROUGH THE DAY.
WED...S WINDS 5 KT
INCREASING TO 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-130800-
EASTERN BAY-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT. TSTMS LIKELY WITH NUMEROUS SHOWERS THIS EVENING.
SAT...NW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 FT.
MON NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS THROUGH
THE DAY.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-130800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
TSTMS LIKELY WITH NUMEROUS SHOWERS THIS EVENING.
SAT...N WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 FT.
SAT NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...S WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT WITH GUSTS TO
25 KT IN THE AFTERNOON. WAVES 1 FT...BUILDING TO 3 FT IN THE
AFTERNOON. SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NE WINDS 5 KT
BECOMING S. WAVES 1 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
WED...S WINDS 5 KT
INCREASING TO 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-130800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT. TSTMS LIKELY WITH NUMEROUS SHOWERS THIS EVENING.
SAT...N WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT.
SAT NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS THROUGH THE DAY.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-130800-
PATUXENT RIVER TO BROOMES ISLAND MD-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS SHOWERS WITH
A CHANCE OF TSTMS THIS EVENING.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
WITH A CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-130800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT...W WINDS 10 KT
BECOMING NW LATE. WAVES 1 FT. SCATTERED
SHOWERS WITH A CHANCE OF TSTMS THIS EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON. SHOWERS LIKELY.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
TUE...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF SHOWERS THROUGH THE DAY.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-130800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
759 PM EDT FRI JUN 12 2026
...SEVERE THUNDERSTORM WATCH 321 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...
TONIGHT...SW WINDS 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
NUMEROUS SHOWERS WITH A CHANCE OF TSTMS THIS EVENING, THEN A CHANCE
OF SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
SUN NIGHT...S WINDS 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS UP TO
20 KT. WAVES 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS THROUGH THE DAY.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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