Alert archive / Michigan / Beach Hazards Statements in 2025
Beach Hazards Statement 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Aug 8, 2025, 3:35 PM EDT for Mason County, Muskegon County, Oceana County, Michigan. It took effect at Aug 9, 2025, 11:00 AM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Aug 8, 2025, 3:35 PM EDT (19:35 UTC)
- In effect from
- Aug 9, 2025, 11:00 AM EDT
- Expired
- Aug 9, 2025, 11:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Grand Rapids, MI
Counties Mason County, MI, Muskegon County, MI, Oceana County, MI
The radar
The Grand Rapids radar (KGRR), 102 km from the middle of the area, began a volume at 19:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.6 hours before the alert went out and 172 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 484 J/kg
- Mixed-layer CIN
- -239 J/kg
- Mixed-layer LCL
- 1202 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
823 WHUS43 KGRR 081935 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 335 PM EDT Fri Aug 8 2025 MIZ037-043-050-090800- /O.NEW.KGRR.BH.S.0013.250809T1500Z-250810T0300Z/ Mason-Oceana-Muskegon- 335 PM EDT Fri Aug 8 2025 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be swamped by waves. * WHERE...Mason, Oceana and Muskegon counties. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves exhaust swimmers trying to return to shore. * ADDITIONAL DETAILS...Winds from the south will create currents along the shoreline and near south pier structures which can push swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
2 follow-up statements
741 WHUS43 KGRR 091034 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 634 AM EDT Sat Aug 9 2025 MIZ037-043-050-100300- /O.CON.KGRR.BH.S.0013.250809T1500Z-250810T0300Z/ Mason-Oceana-Muskegon- 634 AM EDT Sat Aug 9 2025 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana and Muskegon counties. * WHEN...From 11 AM EDT this morning through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds from the south will create currents along the shoreline and near south pier structures which can push swimmers into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
673 WHUS43 KGRR 091951 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 351 PM EDT Sat Aug 9 2025 MIZ037-043-050-100300- /O.CON.KGRR.BH.S.0013.000000T0000Z-250810T0300Z/ Mason-Oceana-Muskegon- 351 PM EDT Sat Aug 9 2025 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana and Muskegon counties. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Southerly winds of 15 to 25 mph have built waves into the 3 to 5 foot range. Dangerous waves and currents will continue through sunset. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ DUKE
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 5:47 AM EDT | Special Weather Statement | GRR | Mecosta, Osceola | 58 min |
| Aug 8, 6:59 AM EDT | Areal Flood Advisory | GRR | Newaygo | 6 hr |
| Aug 8, 3:35 PM EDT | Small Craft Advisory | GRR | 31 hr | |
| Aug 8, 6:16 PM EDT | Special Weather Statement | GRR | Clare | 29 min |
| Aug 8, 6:51 PM EDT | Special Weather Statement | GRR | Clare | 24 min |
Nearby
Beach Hazards Statements in Michigan, 2025Every beach hazards statement in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.