Alert archive / Michigan / Beach Hazards Statements in 2026
Beach Hazards Statement 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Aug 29, 2026, 1:30 PM EDT for 5 counties in Michigan. It took effect at Aug 30, 2026, 2:00 AM EDT. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2026, 1:30 PM EDT (17:30 UTC)
- In effect from
- Aug 30, 2026, 2:00 AM EDT
- Expired
- Aug 30, 2026, 10:38 PM EDT
- In force
- 21 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI
The radar
The Grand Rapids radar (KGRR), 69 km from the middle of the area, began a volume at 17:31 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
Detroit, MI (KDTX), launched 12:00Z, 5.5 hours before the alert went out and 234 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1697 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
805 WHUS43 KGRR 291730 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 130 PM EDT Sat Aug 29 2026 MIZ037-043-050-056-064-301000- /O.NEW.KGRR.BH.S.0021.260830T0600Z-260831T0300Z/ Mason-Oceana-Muskegon-Ottawa-Allegan- 130 PM EDT Sat Aug 29 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa and Allegan counties. * WHEN...From late tonight through Sunday 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 make waves and currents more hazardous near south piers, including at Grand Haven State Park and Pere Marquette Park in Muskegon. 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. && $$
5 follow-up statements
505 WHUS43 KGRR 300144 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 944 PM EDT Sat Aug 29 2026 MIZ037-043-050-056-064-300900- /O.CON.KGRR.BH.S.0021.260830T0600Z-260831T0300Z/ Mason-Oceana-Muskegon-Ottawa-Allegan- 944 PM EDT Sat Aug 29 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT SUNDAY THROUGH SUNDAY EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa and Allegan counties. * WHEN...From 2 AM EDT Sunday through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
545 WHUS43 KGRR 300811 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 411 AM EDT Sun Aug 30 2026 MIZ037-043-050-056-064-301615- /O.CON.KGRR.BH.S.0021.000000T0000Z-260831T0300Z/ Mason-Oceana-Muskegon-Ottawa-Allegan- 411 AM EDT Sun Aug 30 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa and Allegan counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. 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. && $$
873 WHUS43 KGRR 301345 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 945 AM EDT Sun Aug 30 2026 MIZ037-043-050-056-064-310300- /O.CON.KGRR.BH.S.0021.000000T0000Z-260831T0300Z/ Mason-Oceana-Muskegon-Ottawa-Allegan- 945 AM EDT Sun Aug 30 2026 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa and Allegan counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
098 WHUS43 KGRR 301900 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 300 PM EDT Sun Aug 30 2026 MIZ037-043-050-056-064-310300- /O.CON.KGRR.BH.S.0021.000000T0000Z-260831T0300Z/ Mason-Oceana-Muskegon-Ottawa-Allegan- 300 PM EDT Sun Aug 30 2026 ...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, Muskegon, Ottawa and Allegan 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. 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. && $$
688 WHUS43 KGRR 310238 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1038 PM EDT Sun Aug 30 2026 MIZ037-043-050-056-064-310345- /O.CAN.KGRR.BH.S.0021.000000T0000Z-260831T0300Z/ Mason-Oceana-Muskegon-Ottawa-Allegan- 1038 PM EDT Sun Aug 30 2026 ...BEACH HAZARDS STATEMENT IS CANCELLED... Conditions will continue to improve through tonight. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 1:30 PM EDT | Small Craft Advisory | GRR | 33 hr |
Nearby
Beach Hazards Statements in Michigan, 2026Every beach hazards statement in 2026
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.