FZUS53 KGRB 181350 SRFGRB Surf Zone Forecast for East-Central and Northeast Wisconsin National Weather Service Green Bay WI 850 AM CDT Sat Jul 18 2026 WIZ022-182100- Door- Including the beaches of Rock Island State Beach, Baileys Harbor Beaches, and Whitefish Dunes Beach 850 AM CDT Sat Jul 18 2026 .TODAY... Swim Risk*..................Moderate. Wave Height.................1 to 2 feet. UV Index**..................Very High. Water Temperature...........In the mid 60s. Weather.....................Partly sunny until 8 AM, then mostly sunny. Areas of smoke. High Temperature............In the upper 70s. Winds.......................North winds around 15 mph. Sunrise.....................5:20 AM. Sunset......................8:31 PM. .SUNDAY... Swim Risk*..................Low. Wave Height.................1 foot or less. Weather.....................Mostly sunny. Smoke. High Temperature............In the mid 70s. Winds.......................Northeast winds around 5 mph, becoming south in the afternoon. Sunrise.....................5:21 AM. Sunset......................8:30 PM. .EXTENDED... .MONDAY...Wave height 3 to 5 feet. Partly sunny. A chance of showers. Warmer. Highs in the mid 80s. Southwest winds around 15 mph. .TUESDAY...Wave height 1 to 2 feet. Sunny. A slight chance of thunderstorms. Highs in the lower 80s. Northwest winds around 15 mph. .WEDNESDAY...Wave height 1 to 2 feet. Mostly sunny. Highs in the mid 70s. North winds around 15 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 $$ WIZ040-182100- Kewaunee- Including the beaches of Crescent Beach and City of Kewaunee Beach 850 AM CDT Sat Jul 18 2026 .TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. UV Index**..................Very High. Water Temperature...........In the upper 60s. Weather.....................Mostly sunny. Areas of smoke. High Temperature............In the lower 80s. Winds.......................North winds around 10 mph. Sunrise.....................5:23 AM. Sunset......................8:30 PM. .SUNDAY... Swim Risk*..................Low. Wave Height.................1 foot or less. Weather.....................Mostly sunny. Smoke. High Temperature............In the upper 70s. Winds.......................Northeast winds around 5 mph, becoming southeast in the afternoon. Sunrise.....................5:24 AM. Sunset......................8:29 PM. .EXTENDED... .MONDAY...Wave height 3 to 4 feet. Partly sunny. A chance of showers. Highs in the upper 80s. Southwest winds around 15 mph. .TUESDAY...Wave height 1 to 2 feet. Sunny. A slight chance of showers. Highs in the lower 80s. Northwest winds around 15 mph. .WEDNESDAY...Wave height 1 to 2 feet. Sunny. Highs in the mid 70s. Northwest winds around 15 mph. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/grb $$ WIZ050-182100- Manitowoc- Including the beaches of Point Beach, Neshotah Beach, and Red Arrow Beach 850 AM CDT Sat Jul 18 2026 .TODAY... Swim Risk*..................Moderate. Wave Height.................1 to 2 feet. UV Index**..................Very High. Water Temperature...........In the mid 60s. Weather.....................Mostly sunny. Areas of smoke. High Temperature............In the lower 80s. Winds.......................Northwest winds around 15 mph, becoming north in the afternoon. Sunrise.....................5:24 AM. Sunset......................8:29 PM. .SUNDAY... Swim Risk*..................Low. Wave Height.................1 foot or less. Weather.....................Sunny. Areas of smoke. High Temperature............In the upper 70s. Winds.......................Northeast winds around 5 mph, becoming southeast in the afternoon. Sunrise.....................5:25 AM. Sunset......................8:28 PM. .EXTENDED... .MONDAY...Wave height 3 to 5 feet. Partly sunny. A chance of showers. Warmer. Highs in the upper 80s. Southwest winds around 15 mph. .TUESDAY...Wave height around 3 feet. Sunny. A slight chance of showers. Highs in the mid 80s. Northwest winds around 15 mph. .WEDNESDAY...Wave height 1 to 2 feet. Sunny. Highs in the upper 70s. Northwest winds around 15 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 $$