438
FZUS51 KLWX 091501
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 AM EDT SAT MAY 9 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.
ANZ500-092000-
1101 AM EDT SAT MAY 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A WARM FRONT WILL LIFT NORTHWARD ACROSS THE MID ATLANTIC TODAY,
FOLLOWED BY A COLD FRONT SLOWLY PUSHING SOUTHEASTWARD SUNDAY INTO
MONDAY. HIGH PRESSURE WILL BUILD IN FROM THE WEST ON TUESDAY BEFORE
ANOTHER FRONTAL SYSTEM APPROACHES WEDNESDAY. SMALL CRAFT ADVISORIES
MAY BE NEEDED AGAIN AT TIMES LATE SUNDAY NIGHT THROUGH TUESDAY
MORNING AND AGAIN WEDNESDAY.
ANZ535-092000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
NUMEROUS SHOWERS AND SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-092000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY. SHOWERS LIKELY IN THE EVENING, THEN A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-092000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SCATTERED SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SUN...SW WINDS AROUND 5 KT
BECOMING SE LATE. WAVES 1 FT.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN
THE AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-092000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS LATE THIS MORNING, THEN NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS
AND TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-092000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS LATE THIS MORNING, THEN NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS
AND TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT. SHOWERS LIKELY.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-092000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
ISOLATED SHOWERS LATE THIS MORNING, THEN NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS AND
TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-092000-
CHESTER RIVER TO QUEENSTOWN MD-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
ISOLATED SHOWERS LATE THIS MORNING, THEN NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS
AND TSTMS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
SUN NIGHT...N WINDS 5 KT
INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT. SHOWERS LIKELY.
MON...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS LIKELY.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE...N WINDS 5 TO 10 KT...BECOMING S. WAVES 1 TO 2 FT
SUBSIDING
TO 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-092000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS LATE THIS MORNING, THEN NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS.
MON NIGHT...N WINDS 5 KT
INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO
2 FT...SUBSIDING TO 1 FT OR LESS.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-092000-
EASTERN BAY-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN NIGHT...N WINDS 5 KT
INCREASING TO 10 TO 15 KT WITH GUSTS TO
20 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-092000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SCATTERED SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS
AND TSTMS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT WITH GUSTS
TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
MON
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SHOWERS.
MON NIGHT...N WINDS AROUND 5 KT
INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
THROUGH THE DAY, THEN SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-092000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SCATTERED SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT...S WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT WITH GUSTS
TO 20 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS.
MON NIGHT...N WINDS AROUND 5 KT
INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 FT OR
LESS.
WED
S WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS THROUGH
THE DAY, THEN SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-092000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS WITH ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
SUN...SW WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT.
SUN NIGHT...SE WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-092000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT LATE. WAVES
1 TO 2 FT. SCATTERED SHOWERS.
SUN...SW WINDS AROUND 5 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING NE 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT. SHOWERS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING E AROUND 5 KT IN THE EVENING,
THEN BECOMING S 10 TO 15 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
WED
S WINDS 15 TO 20 KT. WAVES 3 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-092000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1101 AM EDT SAT MAY 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
REST OF TODAY
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
ISOLATED SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT...S WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING E AROUND 5 KT IN THE EVENING,
THEN BECOMING S 10 TO 15 KT AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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