GLOBAL DISASTER TRACKING & BREAKING HAZARD UPDATESOFFICIAL SOURCES. CLEAR CONTEXT.
StormScapes
Search⌖ Hazards near me
STORMSCAPES / INCIDENT REPORT

Small Craft Advisory — Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL

Structured official-source report · Published Sep 19, 8:25 PM UTC · Updated Sep 20, 8:09 AM UTC
INFO · active

Latest status

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 7 AM this morning to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. 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.

Where it happened

Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL

Explore on the map →

Latest reported details

official severity
Minor
urgency
Expected
certainty
Likely
event
Small Craft Advisory
areas
Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL

Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.

What officials are saying

Read the original reports below for instructions and the latest authoritative assessment. StormScapes does not independently confirm damage or issue evacuation orders.

What happens next

Follow updates from the responsible agency and local emergency management. Reports can change as new information becomes available.

Incident timeline

Sep 20, 8:09 AM UTC · nws

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 7 AM this morning to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. 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.

Sep 20, 8:09 AM UTC · nws

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Burns Harbor to Michigan City IN. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 1 PM this afternoon to 7 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. 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.

Sep 20, 8:09 AM UTC · nws

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Calumet Harbor IL to Burns Harbor IN. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 10 AM this morning to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. 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.

Sep 20, 5:07 AM UTC · nws

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Calumet Harbor IL to Burns Harbor IN. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 10 AM this morning to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. 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.

Sep 20, 5:07 AM UTC · nws

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 7 AM this morning to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. 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.

Sep 20, 5:07 AM UTC · nws

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Burns Harbor to Michigan City IN. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 1 PM this afternoon to 7 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. 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.

Sep 20, 2:57 AM UTC · nws

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Burns Harbor to Michigan City, IN. * WHEN...From 1 PM Sunday to 7 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Sep 20, 2:57 AM UTC · nws

* WHAT...Northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Northerly Island, IL. * WHEN...From 7 AM Sunday to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Sep 20, 2:57 AM UTC · nws

* WHAT...Northeast winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Calumet Harbor, IL to Burns Harbor, IN. * WHEN...From 10 AM Sunday to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Sep 19, 7:56 PM UTC · nws

* WHAT...Northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...From 7 AM Sunday to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Related incidents

Severe weatherWATCH

Special Weather Statement — West Polk; Norman

West Polk; Norman; Clay; North Beltrami; East Polk; North Clearwater; South Beltrami; Mahnomen; South Clearwater; Towner; Cavalier; Ramsey; Eastern Walsh County; Nelson; Grand Forks; Griggs; Steele; Traill; Cass; Western Walsh County · Sep 20, 12:21 PM UTC · active

Severe weatherSIGNIFICANT

Special Marine Warning — Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM

Waters from Mexico Beach to Apalachicola FL from 20 to 60 NM; Waters from Suwannee River to Apalachicola FL from 20 to 60 NM · Sep 20, 12:15 PM UTC · active

Severe weatherINFO

Small Craft Advisory — Southern Chatham Strait

Southern Chatham Strait · Sep 20, 11:57 AM UTC · active

Severe weatherINFO

Small Craft Advisory — Cross Sound

Cross Sound · Sep 20, 11:57 AM UTC · active