Active Weather Alerts
Special Weather Statement
Issued: 4:10 AM May. 18, 2026 – National Weather Service
...PATCHY DENSE FOG EXPECTED OVERNIGHT... Areas of fog with patchy dense fog can be expected overnight. Visibilities will drop to less than a mile in most areas, and locally to 1/4 mile or less. Motorists should be alert for poor and rapidly changing visibilities overnight. The foggy conditions are expected to improve from south to north from daybreak into mid-morning, as a warm front lifts north across the region.
Dense Fog Advisory
Issued: 3:59 AM May. 18, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 10 to 20 kts with gusts to 25 kts and waves 2 to 4 ft. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Dense Fog Advisory, until 9 AM CDT Monday. For the Small Craft Advisory, until 7 PM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. 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. &&
Small Craft Advisory
Issued: 3:59 AM May. 18, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 10 to 20 kts with gusts to 25 kts and waves 2 to 4 ft. * WHERE...Central and Southern Bay of Green Bay. * WHEN...For the Dense Fog Advisory, until 9 AM CDT Monday. For the Small Craft Advisory, until 7 PM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. 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. &&
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