515
FZUS51 KLWX 271340
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
940 AM EDT SAT JUN 27 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.
ANZ500-272000-
940 AM EDT SAT JUN 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ON AND OFF THROUGH THE
WEEKEND OVER THE WATERS. WINDS WILL GENERALLY BE LIGHT AND VARIABLE
OUTSIDE OF THUNDERSTORMS THROUGH EARLY NEXT WEEK, THEN SOUTHERLY
CHANNELING COULD PROMPT SMALL CRAFT ADVISORIES TUESDAY AFTERNOON
AND EVENING.
ANZ535-272000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS WITH
ISOLATED TSTMS LATE THIS MORNING, THEN NUMEROUS SHOWERS AND
SCATTERED TSTMS THIS AFTERNOON.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS
SHOWERS AND SCATTERED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-272000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS LATE THIS MORNING, THEN SCATTERED
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS
AND SCATTERED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
N WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-272000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
SW WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS WITH
ISOLATED TSTMS LATE THIS MORNING, THEN SCATTERED SHOWERS AND TSTMS
THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS
AND TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-272000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
E WINDS 5 TO 10 KT. WAVES 1 FT. NUMEROUS SHOWERS
WITH ISOLATED TSTMS LATE THIS MORNING, THEN SCATTERED SHOWERS AND
TSTMS THIS AFTERNOON.
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
PATCHY FOG. VSBY 1 TO 3 NM.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED
SHOWERS AND TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-272000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. SHOWERS WITH ISOLATED
TSTMS LATE THIS MORNING, THEN SCATTERED SHOWERS AND TSTMS THIS
AFTERNOON.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
NE WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS.
PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-272000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. SHOWERS WITH ISOLATED
TSTMS LATE THIS MORNING, THEN NUMEROUS SHOWERS AND SCATTERED TSTMS
THIS AFTERNOON.
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-272000-
CHESTER RIVER TO QUEENSTOWN MD-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
SE WINDS 5 KT. WAVES FLAT. SCATTERED TSTMS.
NUMEROUS SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS THIS
AFTERNOON.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-272000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS WITH
ISOLATED TSTMS LATE THIS MORNING, THEN SCATTERED SHOWERS AND TSTMS
THIS AFTERNOON.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SCATTERED SHOWERS
AND TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS 5 KT. WAVES FLAT.
MON NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS AROUND 5 KT...INCREASING TO 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-272000-
EASTERN BAY-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
SE WINDS 5 KT. WAVES FLAT. SCATTERED TSTMS.
NUMEROUS SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS THIS
AFTERNOON.
TONIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS.
PATCHY FOG. VSBY 1 TO 3 NM.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS 5 KT. WAVES FLAT.
MON NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-272000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
E WINDS 5 KT. WAVES FLAT. NUMEROUS SHOWERS WITH
ISOLATED TSTMS LATE THIS MORNING, THEN SCATTERED SHOWERS AND TSTMS
THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS
AND SCATTERED TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT. SCATTERED SHOWERS
AND TSTMS.
MON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS AROUND 5 KT...INCREASING TO 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-272000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
W WINDS 5 KT. WAVES FLAT. SCATTERED TSTMS. NUMEROUS
SHOWERS LATE THIS MORNING, THEN SCATTERED SHOWERS THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT. NUMEROUS SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS AROUND 5 KT. WAVES FLAT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-272000-
PATUXENT RIVER TO BROOMES ISLAND MD-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. NUMEROUS
SHOWERS WITH ISOLATED TSTMS LATE THIS MORNING, THEN SCATTERED
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. NUMEROUS SHOWERS
AND SCATTERED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS. PATCHY FOG. VSBY 1 TO 3 NM.
SUN NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS AROUND 5 KT. WAVES 1 FT.
MON NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-272000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
S WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS LATE THIS MORNING, THEN SCATTERED SHOWERS AND
TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
PATCHY FOG. VSBY 1 TO 3 NM.
SUN NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-272000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
940 AM EDT SAT JUN 27 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED
SHOWERS AND TSTMS LATE THIS MORNING, THEN SCATTERED SHOWERS AND
TSTMS THIS AFTERNOON.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT. SCATTERED SHOWERS AND
TSTMS. PATCHY FOG. VSBY 1 NM OR LESS.
SUN
SE WINDS 5 KT. WAVES FLAT. SCATTERED SHOWERS AND TSTMS.
PATCHY FOG. VSBY 1 NM OR LESS.
SUN NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
MON NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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