189
FZUS53 KGRB 182000
SRFGRB
SURF ZONE FORECAST FOR EAST-CENTRAL AND NORTHEAST WISCONSIN
NATIONAL WEATHER SERVICE GREEN BAY WI
259 PM CDT TUE AUG 18 2026
WIZ022-190900-
DOOR-
INCLUDING THE BEACHES OF ROCK ISLAND STATE BEACH,
BAILEYS HARBOR BEACHES, AND WHITEFISH DUNES BEACH
259 PM CDT TUE AUG 18 2026
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
UV INDEX**..................HIGH.
WATER TEMPERATURE...........AROUND 70.
WEATHER.....................SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................WEST WINDS AROUND 5 MPH.
SUNRISE.....................5:55 AM.
SUNSET......................7:50 PM.
THURSDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
SUNRISE.....................5:56 AM.
SUNSET......................7:48 PM.
EXTENDED
FRIDAY
WAVE HEIGHT 1 TO 2 FEET. PARTLY SUNNY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
SATURDAY
WAVE HEIGHT 1 FOOT OR LESS. SUNNY. A SLIGHT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 70S. NORTH WINDS AROUND 10 MPH.
SUNDAY
WAVE HEIGHT AROUND 1 FOOT. SUNNY. HIGHS IN THE LOWER 70S.
NORTH WINDS AROUND 10 MPH.
SWIM RISK CATEGORY
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,
BREAKWALLS, AND RIVER OUTLETS.
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND
BREAKWALLS.
** FOR THUNDERSTORM, WATERSPOUT, AND UV DEFINITIONS SEE:
HTTPS://WWW.WEATHER.GOV/BEACH/GRB
WIZ040-190900-
KEWAUNEE-
INCLUDING THE BEACHES OF CRESCENT BEACH AND CITY OF KEWAUNEE BEACH
259 PM CDT TUE AUG 18 2026
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
UV INDEX**..................HIGH.
WATER TEMPERATURE...........AROUND 70.
WEATHER.....................SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................WEST WINDS AROUND 5 MPH.
SUNRISE.....................5:57 AM.
SUNSET......................7:50 PM.
THURSDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH, BECOMING
SOUTH IN THE AFTERNOON.
SUNRISE.....................5:58 AM.
SUNSET......................7:49 PM.
EXTENDED
FRIDAY
WAVE HEIGHT 1 TO 2 FEET. PARTLY SUNNY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
SATURDAY
WAVE HEIGHT AROUND 1 FOOT. MOSTLY SUNNY. A SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 70S. NORTH WINDS AROUND 10 MPH.
SUNDAY
WAVE HEIGHT AROUND 1 FOOT. SUNNY. HIGHS IN THE LOWER 70S.
NORTH WINDS AROUND 10 MPH.
SWIM RISK CATEGORY
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,
BREAKWALLS, AND RIVER OUTLETS.
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND
BREAKWALLS.
** FOR THUNDERSTORM, WATERSPOUT, AND UV DEFINITIONS SEE:
HTTPS://WWW.WEATHER.GOV/BEACH/GRB
WIZ050-190900-
MANITOWOC-
INCLUDING THE BEACHES OF POINT BEACH, NESHOTAH BEACH,
AND RED ARROW BEACH
259 PM CDT TUE AUG 18 2026
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
UV INDEX**..................HIGH.
WATER TEMPERATURE...........IN THE UPPER 60S.
WEATHER.....................SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTHWEST WINDS AROUND 5 MPH, BECOMING
EAST IN THE AFTERNOON.
SUNRISE.....................5:58 AM.
SUNSET......................7:50 PM.
THURSDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH, BECOMING
SOUTH IN THE AFTERNOON.
SUNRISE.....................6:00 AM.
SUNSET......................7:48 PM.
EXTENDED
FRIDAY
WAVE HEIGHT 1 TO 2 FEET. PARTLY SUNNY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
SATURDAY
WAVE HEIGHT 1 FOOT OR LESS. MOSTLY SUNNY. A SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 70S. NORTH WINDS AROUND 10 MPH.
SUNDAY
WAVE HEIGHT 1 TO 2 FEET. SUNNY. HIGHS IN THE LOWER 70S.
NORTH WINDS AROUND 10 MPH.
SWIM RISK CATEGORY
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,
BREAKWALLS, AND RIVER OUTLETS.
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND
BREAKWALLS.
** FOR THUNDERSTORM, WATERSPOUT, AND UV DEFINITIONS SEE:
HTTPS://WWW.WEATHER.GOV/BEACH/GRB
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