550
FZUS51 KLWX 172359
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
658 PM EST SAT JAN 17 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.
ANZ500-180900-
658 PM EST SAT JAN 17 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL CROSS THE WATERS THROUGH TONIGHT. LOW PRESSURE
WILL LIKELY PASS OFFSHORE SUNDAY, THEN A REINFORCING ARCTIC FRONT
WILL CROSS MONDAY. HIGH PRESSURE WILL BUILD TOWARD THE AREA HEADING
INTO THE MIDDLE OF NEXT WEEK AHEAD OF THE NEXT POTENTIAL SYSTEM.
SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED SUNDAY INTO TUESDAY.
ANZ535-180900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
658 PM EST SAT JAN 17 2026
TONIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. RAIN AND SNOW
LIKELY AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. SNOW WITH RAIN LIKELY. VSBY
1 TO 3 NM.
SUN NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ536-180900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
658 PM EST SAT JAN 17 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN
WITH A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND RAIN. VSBY 1 TO
3 NM.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT.
ANZ537-180900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
658 PM EST SAT JAN 17 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND SNOW. VSBY 1 TO
3 NM.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SNOW LIKELY. VSBY 1 TO
3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ530-180900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
658 PM EST SAT JAN 17 2026
TONIGHT
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AND
SNOW AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SNOW WITH RAIN
LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-180900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
658 PM EST SAT JAN 17 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN AND
SNOW AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND RAIN. VSBY 1 TO
3 NM.
SUN NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
W WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED...S WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 2 TO 3 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-180900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
658 PM EST SAT JAN 17 2026
TONIGHT
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AND
SNOW AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SNOW WITH RAIN
LIKELY. VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-180900-
CHESTER RIVER TO QUEENSTOWN MD-
658 PM EST SAT JAN 17 2026
TONIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
RAIN WITH A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND RAIN. VSBY 1 TO
3 NM.
SUN NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT...W WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES
1 FT OR LESS.
WED...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-180900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
658 PM EST SAT JAN 17 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND RAIN. VSBY 1 TO
3 NM.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES
1 FT OR LESS.
WED...S WINDS 15 TO 20 KT
BECOMING SW AFTER MIDNIGHT. WAVES 2 TO
3 FT.
THU
W WINDS 10 KT. WAVES 1 FT.
ANZ540-180900-
EASTERN BAY-
658 PM EST SAT JAN 17 2026
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND SNOW. VSBY 1 TO
3 NM.
SUN NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES
1 FT OR LESS.
WED...S WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
THU...W WINDS 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
ANZ533-180900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
658 PM EST SAT JAN 17 2026
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT OR LESS. RAIN LIKELY AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. RAIN AND SNOW. VSBY
1 TO 3 NM.
SUN NIGHT...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE.
GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
NW WINDS 10 TO 15 KT. WAVES 2 FT.
TUE NIGHT...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES
1 FT.
WED...S WINDS 15 TO 20 KT
BECOMING SW AFTER MIDNIGHT. WAVES 2 TO
3 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT.
ANZ541-180900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
658 PM EST SAT JAN 17 2026
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND SNOW. VSBY 1 TO
3 NM.
SUN NIGHT
NW 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 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
NW WINDS 10 TO 15 KT. WAVES 2 FT.
TUE NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED...S WINDS 15 TO 20 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW 5 TO 10 KT. WAVES 1 FT.
ANZ542-180900-
PATUXENT RIVER TO BROOMES ISLAND MD-
658 PM EST SAT JAN 17 2026
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. RAIN LIKELY
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND SNOW. VSBY 1 TO
3 NM.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 10 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
WED...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ534-180900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
658 PM EST SAT JAN 17 2026
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NE LATE. WAVES 1 FT OR
LESS. RAIN LIKELY AFTER MIDNIGHT.
SUN
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
RAIN AND SNOW. VSBY 1 TO 3 NM.
SUN NIGHT
NW 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
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
NW WINDS 10 TO 15 KT. WAVES 2 FT.
TUE NIGHT...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES
1 FT.
WED...S WINDS 15 TO 20 KT
BECOMING SW AFTER MIDNIGHT. WAVES 2 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT.
ANZ543-180900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
658 PM EST SAT JAN 17 2026
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY AFTER
MIDNIGHT.
SUN
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. RAIN AND
SNOW. VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SNOW. VSBY 1 TO 3 NM.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE
NW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT...N WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT.
WED...S WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
THU...W WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 FT.
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