141
FZUS51 KLWX 282034
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
434 PM EDT TUE OCT 28 2025
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.
ANZ500-290800-
434 PM EDT TUE OCT 28 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
BROAD HIGH PRESSURE WILL REMAIN ANCHORED OVER CENTRAL QUEBEC THROUGH
MIDWEEK. LOW PRESSURE WILL PASS SOUTH OF THE AREA AND OFF THE
SOUTHEAST COAST THROUGH TONIGHT. A SECOND LOW WILL MOVE OVERHEAD
LATE WEDNESDAY INTO THURSDAY. LOW PRESSURE WILL CONTINUE NORTH
FRIDAY INTO SATURDAY. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED
LATE WEDNESDAY NIGHT THROUGH FRIDAY. MARGINAL GALE CONDITIONS ARE
POSSIBLE AT TIMES FROM WEDNESDAY NIGHT THROUGH FRIDAY.
ANZ535-290800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY
REST OF THIS AFTERNOON
NE WINDS 10 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TONIGHT
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
RAIN.
THU...E WINDS 10 TO 15 KT
BECOMING S IN THE AFTERNOON. GUSTS UP
TO 25 KT. WAVES 1 FT. RAIN WITH A CHANCE OF TSTMS.
THU NIGHT
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
W WINDS 10 TO 15 KT. WAVES 1 FT.
SAT...W WINDS 10 TO 15 KT
BECOMING NW AROUND 5 KT AFTER MIDNIGHT.
WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-290800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
NE WINDS 10 TO 15 KT. WAVES 1 FT. SCATTERED SHOWERS.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
RAIN.
THU...E WINDS 15 TO 20 KT
BECOMING S 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 1 TO 2 FT. RAIN.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-290800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. SCATTERED SHOWERS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SCATTERED SHOWERS.
WED
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SCATTERED SHOWERS.
WED NIGHT
E WINDS 20 TO 25 KT. WAVES 4 FT. RAIN.
THU...SE WINDS 20 TO 25 KT
BECOMING S 10 TO 15 KT IN THE
AFTERNOON. WAVES 3 FT. RAIN WITH A CHANCE OF TSTMS.
THU NIGHT
W WINDS 15 TO 20 KT. WAVES 2 FT.
FRI
W WINDS 15 TO 20 KT. WAVES 2 FT.
SAT...W WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-290800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
RAIN.
THU...E WINDS 20 TO 25 KT
BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 FT. RAIN WITH A CHANCE OF TSTMS.
THU NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 15 TO 20 KT. WAVES 2 FT.
SAT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-290800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
NE WINDS 15 TO 20 KT. WAVES 2 FT.
WED NIGHT
E WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. RAIN.
THU
SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. RAIN
WITH A CHANCE OF TSTMS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
FRI
W WINDS 20 TO 25 KT. WAVES 3 FT.
SAT...W WINDS 15 TO 20 KT
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-290800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
NE WINDS 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
RAIN.
THU
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. RAIN
WITH A CHANCE OF TSTMS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
FRI
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT...W WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-290800-
CHESTER RIVER TO QUEENSTOWN MD-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SCATTERED SHOWERS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
RAIN.
THU
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. RAIN
WITH A CHANCE OF TSTMS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
FRI
W WINDS 15 TO 20 KT. WAVES 3 FT.
SAT...W WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-290800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 25 KT. WAVES 3 FT. SCATTERED
SHOWERS.
TONIGHT
NE WINDS 20 TO 25 KT. WAVES 3 FT.
WED
NE WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SCATTERED SHOWERS.
WED NIGHT
E WINDS 20 TO 25 KT. WAVES 3 FT. RAIN.
THU...E WINDS 20 TO 25 KT
BECOMING SE 15 TO 20 KT IN THE
AFTERNOON. WAVES 3 FT. RAIN WITH A CHANCE OF TSTMS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
FRI
W WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
SAT...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-290800-
EASTERN BAY-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SCATTERED SHOWERS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
RAIN.
THU...E WINDS 15 TO 20 KT
BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 2 FT. RAIN WITH A CHANCE OF
TSTMS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
FRI
W WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
SAT...W WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-290800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 25 KT WITH GUSTS TO 30 KT. WAVES
4 FT. SCATTERED SHOWERS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SCATTERED SHOWERS.
WED NIGHT
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
RAIN.
THU...E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING S 15 TO
20 KT IN THE AFTERNOON. WAVES 3 FT. RAIN.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI
W WINDS 20 TO 25 KT. WAVES 3 FT.
SAT...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ541-290800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SCATTERED SHOWERS.
TONIGHT
NE WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
WED
NE WINDS 15 TO 20 KT. WAVES 2 FT. SCATTERED SHOWERS.
WED NIGHT
E WINDS 20 TO 25 KT. WAVES 2 FT. RAIN.
THU...E WINDS 20 TO 25 KT
BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. WAVES 2 FT. RAIN WITH A CHANCE OF TSTMS.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI
W WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
SAT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-290800-
PATUXENT RIVER TO BROOMES ISLAND MD-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT. SCATTERED SHOWERS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SCATTERED SHOWERS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS.
WED NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
RAIN.
THU...SE WINDS 15 TO 20 KT
BECOMING S 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. WAVES 1 FT. RAIN WITH A CHANCE OF
TSTMS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
W WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-290800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 25 KT WITH GUSTS TO 30 KT. WAVES
4 FT. SCATTERED SHOWERS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SCATTERED SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SCATTERED SHOWERS.
WED NIGHT
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
RAIN.
THU...SE WINDS 20 TO 25 KT
BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. WAVES 4 FT. RAIN WITH A CHANCE OF
TSTMS.
THU NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI
W WINDS 20 TO 25 KT. WAVES 3 FT.
SAT...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-290800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
434 PM EDT TUE OCT 28 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF THIS AFTERNOON
NE WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
2 FT. SCATTERED SHOWERS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SCATTERED SHOWERS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SCATTERED SHOWERS. VSBY 1 TO 3 NM.
WED NIGHT
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
RAIN.
THU...SE WINDS 20 TO 25 KT
BECOMING S 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. WAVES 2 TO 3 FT. RAIN WITH A CHANCE OF
TSTMS.
THU NIGHT
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
FRI
W WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
SAT...W WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT. WAVES 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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