Surf Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 180956
SRFGRB

Surf Zone Forecast for East-Central and Northeast Wisconsin
National Weather Service Green Bay WI
456 AM CDT Mon Aug 18 2025

WIZ022-182100-
Door-
Including the beaches of Rock Island State Beach,
Baileys Harbor Beaches, and Whitefish Dunes Beach
456 AM CDT Mon Aug 18 2025

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...
Swim Risk*..................High.
Wave Height.................3 to 4 feet.
UV Index**..................Very High.
Water Temperature...........In the lower 70s.
Weather.....................Mostly cloudy. Showers likely and a
                            slight chance of thunderstorms.
High Temperature............In the lower 70s.
Winds.......................Southeast winds around 10 mph.
Sunrise.....................5:54 AM.
Sunset......................7:52 PM.

.TUESDAY...
Swim Risk*..................Moderate.
Wave Height.................Around 3 feet, subsiding to around 2
                            feet in the afternoon.
Weather.....................Partly sunny. A slight chance of
                            showers.
High Temperature............In the mid 70s.
Winds.......................West winds around 10 mph, becoming
                            northwest in the afternoon.
Sunrise.....................5:55 AM.
Sunset......................7:50 PM.

.EXTENDED...
.WEDNESDAY...Wave height 1 foot or less. Mostly sunny. Highs in the
mid 70s. North winds around 10 mph.
.THURSDAY...Wave height 1 foot or less. Sunny. Highs in the mid 70s.
East winds around 5 mph.
.FRIDAY...Wave height 1 foot or less. Mostly sunny. Highs in the
upper 70s. Southwest 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

$$

WIZ040-182100-
Kewaunee-
Including the beaches of Crescent Beach and City of Kewaunee Beach
456 AM CDT Mon Aug 18 2025

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.TODAY...
Swim Risk*..................High.
Wave Height.................Around 4 feet.
UV Index**..................Very High.
Water Temperature...........In the mid 60s.
Weather.....................Mostly cloudy. Showers likely and a
                            chance of thunderstorms.
High Temperature............In the lower 70s.
Winds.......................Southeast winds around 15 mph.
Sunrise.....................5:56 AM.
Sunset......................7:52 PM.

.TUESDAY...
Swim Risk*..................Moderate.
Wave Height.................Around 2 feet.
Weather.....................Partly sunny. A slight chance of
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................West winds around 10 mph, becoming
                            northwest in the afternoon.
Sunrise.....................5:57 AM.
Sunset......................7:50 PM.

.EXTENDED...
.WEDNESDAY...Wave height 1 to 2 feet. Mostly sunny. Highs in the mid
70s. North winds around 10 mph.
.THURSDAY...Wave height 1 foot or less. Sunny. Highs in the mid 70s.
Northeast winds around 5 mph.
.FRIDAY...Wave height 1 foot or less. Mostly sunny. Highs in the
upper 70s. Southwest 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

$$

WIZ050-182100-
Manitowoc-
Including the beaches of Point Beach, Neshotah Beach,
and Red Arrow Beach
456 AM CDT Mon Aug 18 2025

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

.TODAY...
Swim Risk*..................High.
Wave Height.................Around 5 feet.
UV Index**..................Very High.
Water Temperature...........In the mid 60s.
Weather.....................Mostly cloudy. Showers likely and a
                            chance of thunderstorms.
High Temperature............In the lower 70s.
Winds.......................Southeast winds around 15 mph.
Sunrise.....................5:57 AM.
Sunset......................7:51 PM.

.TUESDAY...
Swim Risk*..................Moderate.
Wave Height.................Around 2 feet.
Weather.....................Partly sunny. A slight chance of
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................West winds around 10 mph, becoming
                            northwest in the afternoon.
Sunrise.....................5:58 AM.
Sunset......................7:50 PM.

.EXTENDED...
.WEDNESDAY...Wave height around 3 feet. Mostly sunny. Highs in the
mid 70s. North winds around 15 mph.
.THURSDAY...Wave height 1 foot or less. Sunny. Highs in the mid 70s.
Northeast winds around 5 mph.
.FRIDAY...Wave height 1 foot or less. Mostly sunny. Highs in the
upper 70s. Southwest winds around 5 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


$$