* WHAT. Southwest winds 10 to 20 kt and seas 3 to 5 feet expected. * WHERE. Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN. From 2 AM Tuesday to 2 AM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 10 to 20 kt with gusts up to 25 kt and seas 4 to 7 feet expected. * 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. * WHEN. From 8 PM this evening to 2 AM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 10 to 15 kt and seas 3 to 5 feet expected. * WHERE. Rhode Island Sound and Block Island Sound. * WHEN. From 8 AM to 8 PM EDT Tuesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heat index values up to 100 expected. * WHERE. In Massachusetts, Barnstable MA, Southern Bristol MA, and Southern Plymouth MA Counties. In Rhode Island, Bristol RI, Newport RI, and Washington RI Counties. * WHEN. From 11 AM to 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 100. * WHERE. Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN. Until 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Connecticut, Rhode Island, and portions of south central and southeastern Massachusetts. * WHEN. From 2 PM EDT this afternoon through late tonight. * IMPACTS. Numerous showers and thunderstorms will develop late this afternoon and persist into part of the evening. The strongest storms will be capable of producing torrential rainfall in a very short period of time. The potential exists for some locales to receive 1" to 2" of rain in an hour. This will result in the potential for localized flash flooding, particularly if this were to occur over a vulnerable urban center. * ADDITIONAL DETAILS. - http://www.weather.gov/safety/flood

* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. A portion of northern Rhode Island, including the following area, Bristol RI. * WHEN. From 2 PM EDT this afternoon through late tonight. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - http://www.weather.gov/safety/flood

* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of northern Connecticut, including the following areas, Hartford CT, Tolland CT and Windham CT, Massachusetts, including the following areas, Barnstable MA, Eastern Hampden MA, Eastern Norfolk MA, Eastern Plymouth MA, Northern Bristol MA, Southern Bristol MA, Southern Plymouth MA, Southern Worcester MA, Suffolk MA, Western Norfolk MA and Western Plymouth MA, and Rhode Island, including the following areas, Eastern Kent RI, Newport RI, Northwest Providence RI, Southeast Providence RI, Washington RI and Western Kent RI. * WHEN. From 2 PM EDT this afternoon through late tonight. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - http://www.weather.gov/safety/flood

* WHAT. Heat index values up to 100 expected. * WHERE. Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 100 expected. * WHERE. In Massachusetts, Barnstable MA, Southern Bristol MA, and Southern Plymouth MA Counties. In Rhode Island, Bristol RI, Newport RI, and Washington RI Counties. * WHEN. From 11 AM this morning to 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Southwest winds 10 to 15 kt and seas 3 to 5 feet expected. * WHERE. Rhode Island Sound and Block Island Sound. * WHEN. From 8 AM this morning to 8 PM EDT this evening. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 10 to 15 kt and seas 3 to 5 feet. * WHERE. Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm. * WHEN. Until 8 AM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 10 to 20 kt and seas 4 to 6 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. * WHEN. Until 8 AM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft.