349
FZUS51 KLWX 171035
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
535 AM 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.
ANZ500-172200-
535 AM EST SAT JAN 17 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
LOW PRESSURE OVER THE GREAT LAKES WILL SEND A FRONTAL SYSTEM ACROSS
THE AREA 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 MONDAY INTO TUESDAY.
ANZ535-172200-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
ISOLATED SNOW SHOWERS THIS MORNING. SCATTERED SHOWERS WITH A SLIGHT
CHANCE OF SLEET. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.
SUN
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF LIGHT SNOW
AND RAIN. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 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
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ536-172200-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A SLIGHT
CHANCE OF SLEET WITH ISOLATED SNOW SHOWERS THIS MORNING. SCATTERED
SHOWERS. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
SUN
N WINDS 5 KT. WAVES LESS THAN 1 FT. LIGHT SNOW AND 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
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NW WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ537-172200-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
ISOLATED SHOWERS. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY. VSBY
1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND LIGHT SNOW LIKELY.
VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. LIGHT SNOW LIKELY.
MON
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE...NW WINDS 10 TO 15 KT
BECOMING W 5 KT. WAVES 1 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ530-172200-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SCATTERED SNOW SHOWERS AND NUMEROUS SHOWERS. A SLIGHT CHANCE OF
SLEET THIS AFTERNOON. VSBY 1 TO 3 NM.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN AND
LIGHT SNOW. VSBY 1 TO 3 NM.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF LIGHT SNOW AND
RAIN. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
W WINDS 15 TO 20 KT. WAVES 1 FT.
TUE...W WINDS 10 TO 15 KT
BECOMING SW AROUND 5 KT AFTER MIDNIGHT.
WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ531-172200-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 5 KT
LATE. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF SLEET. SCATTERED SNOW AND
RAIN SHOWERS THIS MORNING, THEN NUMEROUS SHOWERS THIS AFTERNOON.
VSBY 1 TO 3 NM.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
RAIN.
SUN
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF LIGHT 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 TO 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ538-172200-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE
AFTERNOON. WAVES 1 FT. A SLIGHT CHANCE OF SLEET. NUMEROUS SHOWERS
AND SCATTERED SNOW SHOWERS THIS MORNING, THEN SCATTERED SHOWERS THIS
AFTERNOON. VSBY 1 TO 3 NM.
TONIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF RAIN AND LIGHT
SNOW. VSBY 1 TO 3 NM.
SUN
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF LIGHT SNOW.
VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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
DIMINISHING TO AROUND 5 KT. WAVES 1 FT
OR LESS.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ539-172200-
CHESTER RIVER TO QUEENSTOWN MD-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY...S WINDS 10 TO 15 KT
BECOMING SW 5 KT LATE. GUSTS UP TO
20 KT. WAVES 1 TO 2 FT. SCATTERED SNOW AND RAIN SHOWERS THIS
MORNING, THEN NUMEROUS SHOWERS WITH A SLIGHT CHANCE OF SLEET THIS
AFTERNOON. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF LIGHT 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 TO 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 10 TO 15 KT
BECOMING SW 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
WED
S WINDS 15 TO 20 KT. WAVES 2 FT.
ANZ532-172200-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED SHOWERS. ISOLATED SNOW SHOWERS THIS MORNING, THEN A SLIGHT
CHANCE OF SLEET THIS AFTERNOON. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. LIGHT SNOW LIKELY WITH A
CHANCE OF 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 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
ANZ540-172200-
EASTERN BAY-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SCATTERED SHOWERS. ISOLATED SNOW SHOWERS THIS MORNING, THEN A SLIGHT
CHANCE OF SLEET THIS AFTERNOON. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
RAIN.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. LIGHT SNOW LIKELY WITH A
CHANCE OF 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 TO 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 10 TO 15 KT
BECOMING SW 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
WED
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ533-172200-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SCATTERED SHOWERS. ISOLATED SNOW SHOWERS THIS MORNING, THEN A SLIGHT
CHANCE OF SLEET THIS AFTERNOON. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY. VSBY
1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. LIGHT SNOW AND RAIN LIKELY.
VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 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 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
ANZ541-172200-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SCATTERED SHOWERS. ISOLATED SNOW SHOWERS THIS MORNING, THEN A SLIGHT
CHANCE OF SLEET THIS AFTERNOON. VSBY 1 TO 3 NM THIS MORNING.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY. VSBY
1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. LIGHT SNOW AND RAIN LIKELY.
VSBY 1 NM OR LESS.
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 TO 2 FT.
MON NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
ANZ542-172200-
PATUXENT RIVER TO BROOMES ISLAND MD-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. ISOLATED
SHOWERS THIS MORNING, THEN SCATTERED SHOWERS WITH A SLIGHT CHANCE OF
SLEET THIS AFTERNOON.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN LIKELY. VSBY
1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND LIGHT SNOW LIKELY.
VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ534-172200-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING SW
10 KT WITH GUSTS TO 20 KT THIS AFTERNOON. WAVES 2 TO 3 FT. ISOLATED
SHOWERS THIS AFTERNOON.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT. RAIN
LIKELY. VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND LIGHT SNOW LIKELY.
VSBY 1 NM OR LESS.
SUN NIGHT
NW WINDS 5 TO 10 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 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ543-172200-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
535 AM EST SAT JAN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON
TODAY
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL LATE
AFTERNOON. WAVES 1 TO 2 FT. ISOLATED SHOWERS THIS AFTERNOON.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N LATE. WAVES 1 FT. RAIN
LIKELY. VSBY 1 TO 3 NM.
SUN
N WINDS 5 TO 10 KT. WAVES 1 FT. RAIN AND LIGHT 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 TO 2 FT.
MON NIGHT...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT.
TUE...NW WINDS 15 TO 20 KT
BECOMING W 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 2 FT.
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