533
FZUS51 KLWX 162059
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
459 PM EDT SAT MAY 16 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.
ANZ500-170800-
459 PM EDT SAT MAY 16 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL GRADUALLY SLIDE OFFSHORE AS SEVERAL PIECES OF
SHORTWAVE ENERGY PIVOT THROUGH THIS AFTERNOON THROUGH SUNDAY. WITH
RETURN FLOW INCREASING EXPECT A PERIOD OF CHANNELING THIS AFTERNOON
AND EVENING. HIGH PRESSURE MOVES FURTHER OFFSHORE SUNDAY INTO MONDAY
LIMITING SMALL CRAFT CONDITIONS. SMALL CRAFT ADVISORIES RETURN
MONDAY AND TUESDAY AS CHANNELING ENSUES AHEAD OF AN INCOMING COLD
FRONT MIDWEEK. THIS FRONT WILL BRING RENEWED CHANCES FOR WIDESPREAD
SHOWERS AND THUNDERSTORMS TO ALL WATERS WEDNESDAY AFTERNOON.
ANZ535-170800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
459 PM EDT SAT MAY 16 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON. SHOWERS LIKELY WITH
A CHANCE OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-170800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
459 PM EDT SAT MAY 16 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-170800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN...W WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES
1 FT.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 10 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT. A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-170800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT LATE. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
MON...LIGHT WINDS
BECOMING S 5 TO 10 KT IN THE AFTERNOON. WAVES
1 FT OR LESS.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-170800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON. SHOWERS LIKELY
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-170800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH THE NIGHT. SHOWERS
LIKELY AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-170800-
CHESTER RIVER TO QUEENSTOWN MD-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. WAVES FLAT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-170800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 TO 10 KT LATE. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
MON...S WINDS AROUND 5 KT
INCREASING TO 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE
AFTERNOON.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-170800-
EASTERN BAY-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 KT LATE. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-170800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
MON...S WINDS AROUND 5 KT
INCREASING TO 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE
AFTERNOON.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE AFTERNOON. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-170800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 TO 10 KT LATE. WAVES 1 TO 2 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-170800-
PATUXENT RIVER TO BROOMES ISLAND MD-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
AFTERNOON. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-170800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
3 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE. GUSTS UP TO
20 KT. WAVES 2 TO 3 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON...S WINDS AROUND 5 KT
INCREASING TO 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 2 TO 3 FT.
WED...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS THROUGH THE NIGHT.
ANZ543-170800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
459 PM EDT SAT MAY 16 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE. GUSTS UP TO
20 KT. WAVES 2 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS THROUGH THE NIGHT.
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