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Special Marine Warning
Special Marine Warning issued August 23 at 7:59PM EDT until August 23 at 9:30PM EDT by NWS Cleveland OH Expires Sun, 9:30 PM EDT.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Grand River, Ohio 44045. Forecasts and alerts update from NOAA and the National Weather Service.
64°Showers And Thunderstorms100% rain63°Showers And Thunderstorms78% rain62°Chance Showers And Thunderstorms48% rain61°Chance Showers And Thunderstorms37% rain61°Slight Chance Showers And Thunderstorms22% rain
61°Mostly Cloudy10% rain
61°Slight Chance Rain Showers20% rain60°Slight Chance Rain Showers20% rainNext 24 hours
Rain Timeline
Most likely around 9 PM, 10 PM, 11 PM. Expected type: Thunderstorms / Rain.
100%Thunderstorms
78%Thunderstorms
48%Thunderstorms
37%Thunderstorms
22%Thunderstorms
10%None
20%Rain
20%Rain
15%Rain
16%Rain
17%Rain
19%Rain
11%None
15%Rain
9%None
6%None
9%None
13%None
14%None
16%Rain
18%Rain
17%Rain
17%Rain
17%Rain
Official NWS outlook
7-Day Forecast
Today
! NWS
64°60°
Showers And Thunderstorms then Chance Showers And Thunderstorms
- Precipitation
- 100%
- Wind
- NW 10 to 16 mph
- Sunrise
- 6:43 AM
- Sunset
- 8:15 PM
Mon
72°61°
Slight Chance Rain Showers
- Precipitation
- 26%
- Wind
- W 16 to 22 mph
- Sunrise
- 6:44 AM
- Sunset
- 8:13 PM
Tue
75°60°
Mostly Sunny
- Precipitation
- 11%
- Wind
- NW 6 to 9 mph
- Sunrise
- 6:45 AM
- Sunset
- 8:12 PM
Wed
80°66°
Mostly Sunny
- Precipitation
- 24%
- Wind
- S 7 mph
- Sunrise
- 6:46 AM
- Sunset
- 8:10 PM
Thu
79°66°
Chance Showers And Thunderstorms
- Precipitation
- 36%
- Wind
- SW 13 mph
- Sunrise
- 6:47 AM
- Sunset
- 8:09 PM
Fri
77°63°
Slight Chance Rain Showers then Mostly Sunny
- Precipitation
- 19%
- Wind
- NW 5 to 9 mph
- Sunrise
- 6:48 AM
- Sunset
- 8:07 PM
Sat
77°64°
Mostly Sunny
- Precipitation
- 7%
- Wind
- NE 5 to 8 mph
- Sunrise
- 6:49 AM
- Sunset
- 8:05 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel64°F
Walking is not recommended now
Review the active Special Marine Warning before going outside. MyUSA.us will not recommend this activity while an NWS watch, warning, or emergency is active.
WindNW14 mph
Best walk timeReview the active Special Marine Warning before leaving
MyUSA.us will not recommend an outing window while an NWS watch, warning, or emergency is active. Follow the official alert and local instructions.
Official EPA AirNowLocal air qualityGrand River, Ohio 44045View AQI +
More weather details
Wind gustsNot reported
Rain now100%next hour
Humidity88%current
UV indexCheckingEPA forecast
Wind impact: Noticeable breeze with generally minor outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.89 in
Visibility3.0 mi
Peak rain chance100%
Dew point61°F
Active alerts3
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Stay weather-ready
Active NWS alerts
Severe · Immediate
Special Marine Warning
Applies to: Reno Beach to The Islands OH; The Islands to Vermilion OH; Vermilion to Avon Point OH; Avon Point to Willowick OH; Willowick to Geneva-on-the Lake OH; Reno Beach to The Islands OH beyond 5NM off shoreline to US-Canadian border; The Islands to Vermilion OH beyond 5 nm off shoreline to US-Canadian border; Vermilion to Avon Point OH beyond 5 nm off shoreline to US-Canadian border; Avon Point to Willowick OH beyond 5 nm off shoreline to US-Canadian border; Willowick to Geneva-on-the-Lake OH beyond 5NM off shoreline to US-Canadian borderIssued by: NWS Cleveland OHSpecial Marine Warning issued August 23 at 7:59PM EDT until August 23 at 9:30PM EDT by NWS Cleveland OHAlert details
SMWCLE The National Weather Service in Cleveland has issued a * Special Marine Warning for... Nearshore waters from Reno Beach OH to Geneva-on-the lake OH... Open waters from Reno Beach OH to Geneva-on-the-lake OH... * Until 930 PM EDT. * At 759 PM EDT, strong thunderstorms were located along a line extending from Fairport Harbor to 11 nm northeast of Kelleys Island, moving southeast at 20 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Put-In-Bay, Kelleys Island, Avon Point, Willowick, Fairport Harbor, Cleveland, Lorain Harbor, Western Vermilion, and Vermilion.Severe · Immediate
Special Marine Warning
Applies to: Avon Point to Willowick OH; Willowick to Geneva-on-the Lake OH; Geneva-on-the-Lake to Conneaut OH; Conneaut OH to Ripley NY; Avon Point to Willowick OH beyond 5 nm off shoreline to US-Canadian border; Willowick to Geneva-on-the-Lake OH beyond 5NM off shoreline to US-Canadian border; Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border; Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-Canadian borderIssued by: NWS Cleveland OHSpecial Marine Warning issued August 23 at 7:39PM EDT until August 23 at 9:15PM EDT by NWS Cleveland OHAlert details
SMWCLE The National Weather Service in Cleveland has issued a * Special Marine Warning for... Nearshore and Open waters from Avon Point OH to Ripley NY... * Until 915 PM EDT. * At 738 PM EDT, strong thunderstorms were located along a line extending from near Erie to 8 nm northwest of Willowick, moving southeast at 25 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Geneva-On-The-Lake, Conneaut, Erie, Willowick, Fairport Harbor, Cleveland, and Ashtabula.Moderate · Expected