487
FZUS51 KLWX 291828
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 PM EDT SUN MAR 29 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.
ANZ500-300800-
228 PM EDT SUN MAR 29 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL DRIFT OFFSHORE THROUGH TUESDAY WHILE A FRONTAL
SYSTEM STALLS TO THE NORTHWEST OF THE MID-ATLANTIC. THE FRONT WILL
THEN DROP SOUTHWARD WEDNESDAY AND STALL THROUGH AT LEAST THURSDAY.
SMALL CRAFT ADVISORIES MAY BE NEEDED MUCH OF THE TIME FROM MONDAY
NIGHT THROUGH THURSDAY NIGHT.
ANZ535-300800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING S 5 KT AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ536-300800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 20 TO 25 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ537-300800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING S 10 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT. A CHANCE OF SHOWERS IN THE AFTERNOON. SHOWERS LIKELY
THROUGH THE NIGHT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ530-300800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
EVENING, THEN BECOMING NE AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS
LIKELY. A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-300800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING S 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. SHOWERS LIKELY IN THE
AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF TSTMS THROUGH THE NIGHT.
THU
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-300800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
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. WAVES 1 FT.
MON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING E 5 KT AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-300800-
CHESTER RIVER TO QUEENSTOWN MD-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT.
THU
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-300800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING S 10 TO 15 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
ANZ540-300800-
EASTERN BAY-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING S 5 TO 10 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT.
THU
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-300800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT.
WED...SW WINDS 20 TO 25 KT
BECOMING S 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS IN THE
AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
THU
SE WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
ANZ541-300800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
WED...SW WINDS 20 TO 25 KT
BECOMING S 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT. A CHANCE OF SHOWERS IN THE AFTERNOON.
SHOWERS LIKELY THROUGH THE NIGHT.
THU
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ542-300800-
PATUXENT RIVER TO BROOMES ISLAND MD-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED...SW WINDS 15 TO 20 KT
BECOMING S 5 TO 10 KT. WAVES 1 FT. A
CHANCE OF SHOWERS IN THE AFTERNOON. SHOWERS LIKELY THROUGH THE
NIGHT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ534-300800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
TUE NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS IN
THE AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
THU
S WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
ANZ543-300800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
228 PM EDT SUN MAR 29 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN
THE AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
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