Alert archive / Minnesota / Beach Hazards Statements in 2026

Beach Hazards Statement 21, NWS Duluth, MN

September 20, 2026Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin

NWS Duluth, MN issued this beach hazards statement at Sep 20, 2026, 4:20 AM CDT for Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin. It took effect at Sep 20, 2026, 10:00 AM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Sep 20, 2026, 4:20 AM CDT (09:20 UTC)
In effect from
Sep 20, 2026, 10:00 AM CDT
Expired
Sep 20, 2026, 10:00 PM CDT
In force
12 hr
Issued by
NWS Duluth, MN

Counties Carlton County, MN, Saint Louis County, MN, Douglas County, WI

The radar

The Duluth radar (KDLH), 11 km from the middle of the area, began a volume at 09:22 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

International Fa, MN (KINL), launched 00:00Z, 9.3 hours before the alert went out and 201 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.

Skew-T log-pSkew-T log-p diagram, International Fa, MN at 00:00Z on 2026-09-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2026-09-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

881 
WHUS43 KDLH 200920
CFWDLH

Coastal Hazard Message
National Weather Service Duluth MN
420 AM CDT Sun Sep 20 2026

MNZ037-WIZ001-210300-
/O.NEW.KDLH.BH.S.0021.260920T1500Z-260921T0300Z/
Carlton and South St. Louis-Douglas-
420 AM CDT Sun Sep 20 2026

...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...

* WHAT...Dangerous swimming conditions are expected along the 
  Lake Superior shoreline due to high wave action and strong rip 
  currents.

* WHERE...Minnesota Park Point and Wisconsin Point Beaches.

* WHEN...From 10 AM CDT this morning through this evening.

* IMPACTS...Life-threatening waves and rip currents are 
  expected. Stay out of the water and stay away from dangerous 
  areas like piers and breakwalls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
1 follow-up statement
187 
WHUS43 KDLH 210312
CFWDLH

Coastal Hazard Message
National Weather Service Duluth MN
1012 PM CDT Sun Sep 20 2026

MNZ037-WIZ001-210415-
/O.EXP.KDLH.BH.S.0021.000000T0000Z-260921T0300Z/
Carlton and South St. Louis-Douglas-
1012 PM CDT Sun Sep 20 2026

...BEACH HAZARDS STATEMENT HAS EXPIRED...

The beach hazards statement has been allowed to expire.

$$

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 20, 4:46 PM CDTFrost AdvisoryDLHCook, Koochiching, Lake, Saint Louis15 hr

Nearby

Beach Hazards Statements in Minnesota, 2026Beach Hazards Statements in Wisconsin, 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.