836
FZUS51 KLWX 051829
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 PM EDT TUE MAY 5 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.
ANZ500-060800-
228 PM EDT TUE MAY 5 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL REMAIN OFF THE EAST COAST THROUGH WEDNESDAY. A
FRONTAL SYSTEM WILL SLOWLY CROSS THE WATERS LATE WEDNESDAY THROUGH
THURSDAY MORNING. ANOTHER COLD FRONT TRACKS ACROSS THE WATERS THIS
WEEKEND. SMALL CRAFT ADVISORIES MAY BE NEEDED AT TIMES WEDNESDAY
NIGHT THROUGH FRIDAY.
ANZ535-060800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
FRI...W WINDS 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ536-060800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY 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.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING N
AFTER MIDNIGHT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
FRI...W WINDS 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-060800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY 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.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
WED NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-060800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS LIKELY.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ531-060800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 TO 2 FT. SHOWERS LIKELY.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING S AROUND 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ538-060800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS.
WED NIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS LIKELY.
THU
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT...SW WINDS 5 TO 10 KT
BECOMING LIGHT. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS.
ANZ539-060800-
CHESTER RIVER TO QUEENSTOWN MD-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY 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.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT...SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING NW
AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...S WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ532-060800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY.
WED NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING N
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...S WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ540-060800-
EASTERN BAY-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY 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.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT...SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING NW
AFTER MIDNIGHT. WAVES 1 FT. SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...W WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...S WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ533-060800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 TO 20 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.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY.
WED NIGHT...SW WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...S WINDS 10 TO 15 KT
BECOMING SW 5 KT AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS THROUGH THE NIGHT.
ANZ541-060800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY 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.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
SAT...S WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ542-060800-
PATUXENT RIVER TO BROOMES ISLAND MD-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT. SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
FRI...W WINDS 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ534-060800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 4 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A CHANCE
OF SHOWERS.
WED NIGHT...SW WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT.
WAVES 2 FT. SHOWERS.
THU
N WINDS 10 KT. WAVES 1 TO 2 FT. SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
FRI...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT IN THE
AFTERNOON, THEN BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
ANZ543-060800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
229 PM EDT TUE MAY 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES
2 TO 3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
WED NIGHT...SW WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT IN THE
AFTERNOON, THEN BECOMING S 10 TO 15 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
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