Immediate

Responsive action SHOULD be taken immediately

Severe Storm Warning | Effective 09/26/2026 09:26

* WHAT...Northeast winds 20 to 25 kt with gusts up to 50 kt and waves 2 to 4 feet. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...Until 10 AM EDT Sunday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

Severe Storm Warning | Effective 09/26/2026 09:26

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 10 to 14 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Massachusetts Bay and Ipswich Bay. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...Until 10 AM EDT Sunday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

Severe Storm Warning | Effective 09/26/2026 09:26

* WHAT...East winds 20 to 30 kt with gusts up to 45 kt and seas 10 to 15 feet. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. In Atlantic coastal waters, Ocean Waters from Provincetown to Nantucket from 20 to 60 NM. * WHEN...Until 10 AM EDT Sunday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the

Severe Storm Warning | Effective 09/26/2026 09:26

* WHAT...East winds 25 to 35 kt with gusts up to 55 kt and seas 12 to 17 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. In Atlantic coastal waters, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM.

Severe Storm Warning | Effective 09/26/2026 09:26

* WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 6 to 9 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 10 AM EDT Sunday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

Illinois Severe Flood Warning | Effective 09/26/2026 08:47

...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until Thursday morning. * IMPACTS...At 8.0 feet, Agricultural and park land is inundated near the river. Residential property is threatened near the river.

Illinois Severe Flood Warning | Effective 09/26/2026 08:47

...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...Until Monday afternoon. * IMPACTS...At 9.0 feet, Kilbourne Road and Emerald Avenue threatened near Grand Avenue in Gurnee. * ADDITIONAL DETAILS...
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