Minor

Minimal to no known threat to life or property

Minor Dense Fog Advisory | Effective 09/01/2026 08:01

* WHAT...Dense fog will reduce visibility to less than one nautical mile at times. * WHERE...Grand Marais to Whitefish Point MI and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Minor Dense Fog Advisory | Effective 09/01/2026 08:01

* WHAT...Dense fog will reduce visibility to less than one nautical mile at times. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage and Seul Choix Point to Point Detour MI. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Alaska Minor Flood Advisory | Effective 09/01/2026 07:20

Rain showers continue to move across the area this evening bringing periods of moderate to heavy rain for the Juneau area. Rainfall amounts around the Mendenhall Valley show around an inch of rain has fallen in the last six hours with another quarter of an inch possible. * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Montana Creek near areas near the low water crossing on Montana Creek Road and near Back Loop Road at the Montana Creek bridge. * WHEN...Until 930 AM AKDT.

Minor Dense Fog Advisory | Effective 09/01/2026 06:56

* WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake and Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use

Alaska Minor Frost Advisory | Effective 09/01/2026 06:39

* WHAT...Temperatures as low as 28 degrees will result in frost formation. * WHERE...Colder locations throughout the Anchorage Bowl and Lower Matanuska Valley. * WHEN...Through 9 AM AKDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The cold airmass and clear skies observed this morning are expected again tonight through early Wednesday morning. Many areas of Anchorage and the Matanuska Valley will see colder

Louisiana Minor Coastal Flood Advisory | Effective 09/01/2026 05:22

* WHAT...Minor coastal flooding. * WHERE...Lower Vermilion Parish. * WHEN...Until 2 PM CDT Wednesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Louisiana Minor Coastal Flood Advisory | Effective 09/01/2026 05:22

* WHAT...Minor coastal flooding. * WHERE...Lower Iberia and Lower St. Mary Parishes. * WHEN...Until 2 PM CDT Wednesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Minor Dense Fog Advisory | Effective 09/01/2026 04:54

* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage and Seul Choix Point to Point Detour MI. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Minor Dense Fog Advisory | Effective 09/01/2026 04:54

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, west winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 4 PM this afternoon to 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. Low
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