841
FZUS51 KLWX 311757
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1257 PM EST SAT JAN 31 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.
ANZ500-010900-
1257 PM EST SAT JAN 31 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COASTAL STORM WILL DEVELOP THROUGH TONIGHT, THEN MOVE UP AND OFF
THE COAST SUNDAY. GALE CONDITIONS ARE EXPECTED TONIGHT THROUGH
SUNDAY EVENING, WITH SOME STORM-FORCE GUSTS NOT OUT OF THE QUESTION
TOWARD THE MIDDLE CHESAPEAKE BAY. SMALL CRAFT ADVISORIES WILL THEN
LIKELY CONTINUE INTO MONDAY AS LOW PRESSURE MOVES AWAY. HIGH
PRESSURE WILL BUILD ACROSS THE AREA MONDAY INTO TUESDAY, THEN A
CLIPPER-TYPE LOW WILL LIKELY PASS SOUTH OF THE AREA WEDNESDAY.
ANZ535-010900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 1 TO
2 FT.
MON...NW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT IN THE AFTERNOON. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SNOW AFTER
MIDNIGHT.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SNOW IN THE
MORNING.
ANZ536-010900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF FLURRIES.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 2 TO 3 FT.
A CHANCE OF FLURRIES.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 3 FT.
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
1 TO 2 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW
AFTER MIDNIGHT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW IN THE
MORNING.
ANZ537-010900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT. A CHANCE OF FLURRIES.
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS TO 45 KT. WAVES 5 FT. A
CHANCE OF FLURRIES. LIGHT FREEZING SPRAY.
SUN
NW WINDS 25 TO 30 KT WITH GUSTS TO 45 KT. WAVES 5 FT. LIGHT
FREEZING SPRAY.
SUN NIGHT
NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT IN THE EVENING.
WAVES 3 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SNOW AFTER
MIDNIGHT.
WED
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY.
ANZ530-010900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 40 KT. WAVES 2 FT.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 2 FT.
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 2 FT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-010900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 3 FT.
LIGHT FREEZING SPRAY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 4 FT. LIGHT
FREEZING SPRAY.
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW
AFTER MIDNIGHT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW IN THE
MORNING.
ANZ538-010900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 1 TO 2 FT.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
W WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SNOW AFTER
MIDNIGHT.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SNOW IN THE
MORNING.
ANZ539-010900-
CHESTER RIVER TO QUEENSTOWN MD-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 3 FT.
LIGHT FREEZING SPRAY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 4 FT. LIGHT
FREEZING SPRAY.
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW
AFTER MIDNIGHT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW IN THE
MORNING.
ANZ532-010900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
N WINDS 25 TO 30 KT. WAVES 4 FT. LIGHT FREEZING SPRAY.
SUN
NW WINDS 25 TO 30 KT. WAVES 5 FT. LIGHT FREEZING SPRAY.
SUN NIGHT
NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT IN THE EVENING.
WAVES 3 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW
AFTER MIDNIGHT.
WED
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY.
ANZ540-010900-
EASTERN BAY-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 2 TO 3 FT.
LIGHT FREEZING SPRAY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 3 FT. LIGHT
FREEZING SPRAY.
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW
AFTER MIDNIGHT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY.
ANZ533-010900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT. A CHANCE OF FLURRIES.
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS TO 45 KT. WAVES 5 FT. A
CHANCE OF FLURRIES. LIGHT FREEZING SPRAY.
SUN
NW WINDS 25 TO 30 KT. GUSTS UP TO 45 KT. WAVES 6 FT. LIGHT
FREEZING SPRAY.
SUN NIGHT
NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT IN THE EVENING.
WAVES 4 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...W WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SNOW AFTER MIDNIGHT.
WED
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW
THROUGH THE DAY.
ANZ541-010900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF FLURRIES.
TONIGHT
N WINDS 25 TO 30 KT WITH GUSTS TO 45 KT. WAVES 3 FT. A
CHANCE OF FLURRIES. LIGHT FREEZING SPRAY.
SUN
NW WINDS 25 TO 30 KT WITH GUSTS TO 45 KT. WAVES 4 FT. LIGHT
FREEZING SPRAY.
SUN NIGHT
NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT IN THE EVENING.
WAVES 3 FT.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SNOW
AFTER MIDNIGHT.
WED
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY.
ANZ542-010900-
PATUXENT RIVER TO BROOMES ISLAND MD-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF FLURRIES.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 1 TO 2 FT.
A CHANCE OF FLURRIES.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 2 FT.
SUN NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SNOW AFTER
MIDNIGHT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY.
ANZ534-010900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF FLURRIES.
TONIGHT
N WINDS 25 TO 35 KT. WAVES 6 FT. A CHANCE OF LIGHT SNOW.
HEAVY FREEZING SPRAY.
SUN
NW WINDS 25 TO 35 KT. WAVES 7 FT. HEAVY FREEZING SPRAY.
SUN NIGHT
NW WINDS 25 TO 30 KT. WAVES 5 FT.
MON
NW WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE MORNING. WAVES
3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SNOW AFTER
MIDNIGHT.
WED
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW
THROUGH THE DAY.
ANZ543-010900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1257 PM EST SAT JAN 31 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH SUNDAY
EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY MORNING...
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF FLURRIES.
TONIGHT...N WINDS 25 TO 30 KT. GUSTS UP TO 30 KT
INCREASING TO
45 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 3 FT. A CHANCE OF
LIGHT SNOW. HEAVY FREEZING SPRAY.
SUN
NW WINDS 25 TO 35 KT. WAVES 4 FT. HEAVY FREEZING SPRAY.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
MON
NW WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE MORNING. WAVES
2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SNOW AFTER
MIDNIGHT.
WED
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY.
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