Alert archive / Michigan / Beach Hazards Statements in 2021
Beach Hazards Statement 14, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this beach hazards statement at Jul 31, 2021, 4:21 AM EDT for 6 counties in Michigan. It took effect at Aug 1, 2021, 5:00 AM EDT. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Jul 31, 2021, 4:21 AM EDT (08:21 UTC)
- In effect from
- Aug 1, 2021, 5:00 AM EDT
- Expired
- Aug 2, 2021, 4:00 AM EDT
- In force
- 23 hr
- Issued by
- NWS Grand Rapids, MI
Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI
The radar
The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 08:23 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 00:00Z, 8.4 hours before the alert went out and 214 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
- 1486 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
017 WHUS43 KGRR 310821 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 421 AM EDT Sat Jul 31 2021 MIZ037-043-050-056-064-071-311630- /O.NEW.KGRR.BH.S.0014.210801T0900Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 421 AM EDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected on Sunday. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...From late tonight through late Sunday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...North winds will kick up behind a cold front late tonight and continue right through Sunday. Dangerous waves will develop in all areas...peaking in the 4 to 7 foot range during the afternoon and evening hours of Sunday. Beaches adjacent to north piers will be very dangerous places to swim on Sunday. These beaches include...Stearns Park in Ludington...Mears State Park in Pentwater...Holland State Park and North Beach in South Haven. The worst conditions will be south of Holland Sunday evening where waves may approach 8 feet. 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. && $$ DUKE
7 follow-up statements
611 WHUS43 KGRR 311913 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 313 PM EDT Sat Jul 31 2021 MIZ037-043-050-056-064-071-010315- /O.CON.KGRR.BH.S.0014.210801T0900Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 313 PM EDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...From late tonight through late Sunday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Beaches adjacent to north piers will be very dangerous places to swim on Sunday. These beaches include...Stearns Park in Ludington...Mears State Park in Pentwater...Holland State Park and North Beach in South Haven. The worst conditions will be south of Holland Sunday evening where waves may approach 8 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
909 WHUS43 KGRR 010242 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1042 PM EDT Sat Jul 31 2021 MIZ037-043-050-056-064-071-011045- /O.CON.KGRR.BH.S.0014.210801T0900Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1042 PM EDT Sat Jul 31 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM EDT SUNDAY THROUGH LATE SUNDAY NIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...From 5 AM EDT Sunday through late Sunday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Beaches adjacent to north piers will be very dangerous places to swim on Sunday. These beaches include...Stearns Park in Ludington...Mears State Park in Pentwater...Holland State Park and North Beach in South Haven. The worst conditions will be south of Holland Sunday evening where waves may approach 8 feet.. 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. && $$
542 WHUS43 KGRR 010806 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 406 AM EDT Sun Aug 1 2021 MIZ037-043-050-056-064-071-012100- /O.CON.KGRR.BH.S.0014.210801T0900Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 406 AM EDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Waves may wash over piers, sweeping people into the lake. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...From 5 AM EDT Sunday through late Sunday night. * IMPACTS...Strong currents can pull swimmers into deeper water. Large waves can quickly tire out even experienced swimmers, and sweep people off piers. * ADDITIONAL DETAILS...Beaches adjacent to north piers will be very dangerous places to swim on Sunday. These beaches include... Stearns Park in Ludington...Mears State Park in Pentwater... Holland State Park and North Beach in South Haven. The worst conditions will be south of Holland Sunday evening where waves could occasionally approach 8 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$ hlo
882 WHUS43 KGRR 011519 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1119 AM EDT Sun Aug 1 2021 MIZ037-043-050-056-064-071-012330- /O.CON.KGRR.BH.S.0014.000000T0000Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1119 AM EDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Beaches adjacent to north piers will be very dangerous places to swim today. These beaches include... Stearns Park in Ludington...Mears State Park in Pentwater... Holland State Park and North Beach in South Haven. The worst conditions will be south of Holland this evening where waves could be greater than 6 feet. 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. && $$
318 WHUS43 KGRR 011933 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 333 PM EDT Sun Aug 1 2021 MIZ037-043-050-056-064-071-020345- /O.CON.KGRR.BH.S.0014.000000T0000Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 333 PM EDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Beaches adjacent to north piers will be very dangerous places to swim today. These beaches include... Stearns Park in Ludington...Mears State Park in Pentwater... Holland State Park and North Beach in South Haven. The worst conditions will be south of Holland this evening where waves could be greater than 6 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. && $$
990 WHUS43 KGRR 020210 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 1010 PM EDT Sun Aug 1 2021 MIZ037-043-050-056-064-071-020900- /O.CON.KGRR.BH.S.0014.000000T0000Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 1010 PM EDT Sun Aug 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 AM EDT MONDAY... * WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Ottawa, Allegan, Van Buren and Muskegon counties. * WHEN...Through early Monday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Beaches adjacent to north piers will be very dangerous places to swim into early Monday morning. These beaches include... Stearns Park in Ludington...Mears State Park in Pentwater... Holland State Park and North Beach in South Haven. The worst conditions will be south of Holland this evening where waves could be greater than 6 feet. 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. && $$ WDM
336 WHUS43 KGRR 020800 CFWGRR Coastal Hazard Message National Weather Service Grand Rapids MI 400 AM EDT Mon Aug 2 2021 MIZ037-043-050-056-064-071-020900- /O.CAN.KGRR.BH.S.0014.000000T0000Z-210802T0900Z/ Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren- 400 AM EDT Mon Aug 2 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves heights between South Haven and St Joseph will continue to reach heights of 3 to 4 feet through the early morning before quickly subsiding. All of the Lakeshore is expected to see waves about one foot or less by early afternoon. $$
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 4:23 AM EDT | Small Craft Advisory | GRR | 48 hr |
Nearby
Beach Hazards Statements in Michigan, 2021Every beach hazards statement in 2021
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.