Immediate

At 112 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor

At 1256 AM CDT, Doppler radar and automated rain gauges indicated a swath of heavy rain from thunderstorms Friday evening across the warned area. Between 2.5 and 4.5 inches of rain have fallen. Additional rainfall amounts up to 0.1 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas,

* 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 8 PM EDT this evening. * 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.

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 9 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 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 13 to 18 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 8 PM EDT this evening. * 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

* WHAT...Northeast winds 25 to 30 kt with gusts up to 50 kt and seas 5 to 8 feet. * WHERE...Cape Cod Bay. * WHEN...Until 8 PM EDT this evening. * 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.

* WHAT...Northeast winds 30 to 40 kt with gusts up to 55 kt and seas 14 to 19 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Atlantic coastal waters, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM. * WHEN...Until 8 PM EDT this evening. * 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

* WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 5 to 8 feet. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 8 PM EDT this evening. * 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.

* WHAT...Northeast winds 30 to 40 kt with gusts up to 55 kt and seas 15 to 20 feet. * WHERE...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 Montauk NY to Marthas Vineyard from 25 to 60 NM. * WHEN...Until 2 AM EDT Sunday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

* WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 6 to 11 feet. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...Until 2 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.