112
FZUS51 KLWX 121923
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
323 PM EDT SAT SEP 12 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.
ANZ500-130800-
323 PM EDT SAT SEP 12 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A STATIONARY FRONT NEAR THE VIRGINIA-NORTH CAROLINA BORDER WILL
RETURN NORTHWARD AS A WARM FRONT THIS EVENING BEFORE ANOTHER COLD
FRONT CROSSES THE REGION BY MONDAY MORNING. HIGH PRESSURE RETURNS
FOR EARLY NEXT WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED
MONDAY IN THE WAKE OF THE COLD FRONT.
ANZ535-130800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT. SCATTERED
SHOWERS AND TSTMS.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 NM OR LESS.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-130800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
323 PM EDT SAT SEP 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS. PATCHY FOG.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-130800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
323 PM EDT SAT SEP 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SCATTERED SHOWERS AND TSTMS.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS AND SCATTERED TSTMS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-130800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 NM OR LESS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-130800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY
FOG. VSBY 1 NM OR LESS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-130800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS. PATCHY FOG.
VSBY 1 NM OR LESS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-130800-
CHESTER RIVER TO QUEENSTOWN MD-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY. PATCHY
FOG. VSBY 1 NM OR LESS.
SUN NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 KT. WAVES 1 TO 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-130800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 2 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 2 FT. SHOWERS AND SCATTERED
TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY FOG.
VSBY 1 NM OR LESS.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-130800-
EASTERN BAY-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY FOG.
VSBY 1 NM OR LESS.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-130800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
323 PM EDT SAT SEP 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS AND TSTMS.
TONIGHT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS AND SCATTERED TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY
FOG.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
TUE...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-130800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
323 PM EDT SAT SEP 12 2026
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. PATCHY FOG.
VSBY 1 NM OR LESS.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-130800-
PATUXENT RIVER TO BROOMES ISLAND MD-
323 PM EDT SAT SEP 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS AND TSTMS.
TONIGHT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS AND SCATTERED TSTMS.
SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
PATCHY FOG.
SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-130800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
323 PM EDT SAT SEP 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SCATTERED SHOWERS AND TSTMS.
TONIGHT...SE WINDS 10 TO 15 KT
BECOMING SW LATE. GUSTS UP TO
20 KT. WAVES 2 FT. SHOWERS AND SCATTERED TSTMS.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
TUE...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 TO
2 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-130800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
323 PM EDT SAT SEP 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT. ISOLATED
SHOWERS AND TSTMS.
TONIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS.
SUN...SW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT LATE. WAVES 1 FT.
A CHANCE OF SHOWERS.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...NE WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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