* WHAT. Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE. Southern Middlesex and Southern New London Counties. * WHEN. From 10 AM to 4 PM EDT Saturday. * COASTAL FLOOD IMPACTS. Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding. * ADDITIONAL DETAILS. Additional rounds of minor coastal flooding around the times high tide can be expected into Sunday.

* WHAT. Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE. Southern Middlesex and Southern New London Counties. * WHEN. From 10 AM this morning to 4 PM EDT this afternoon. * COASTAL FLOOD IMPACTS. Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding. * ADDITIONAL DETAILS. Minor coastal flooding is possible during high tide Sunday afternoon.

* WHAT. Large breaking waves of 6 to 10 feet in the surf zone. * WHERE. Washington, Southern Bristol MA, and Newport RI Counties. * WHEN. Until 7 PM EDT this evening. * IMPACTS. Dangerous swimming and surfing conditions and localized beach erosion.

* WHAT. For this morning's Coastal Flood Advisory, up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways (1.6 to 12.1 feet Mean Lower Low Water). For the High Surf Advisory, large breaking waves of 8 to 12 feet in the surf zone. For this afternoon's Coastal Flood Advisory, up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (3.5 to 13.6 feet Mean Lower Low Water). For Sunday afternoon's Coastal Flood Advisory, up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (3.6 to 13.3 feet Mean Lower Low Water). * WHERE. Eastern Essex MA, Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA Counties. * WHEN. For the first Coastal Flood Advisory, until 5 AM EDT early this morning. For the High Surf Advisory, until 7 PM EDT this evening. For the second Coastal Flood Advisory, from 11 AM this morning to 5 PM EDT this afternoon. For the third Coastal Flood Advisory, from noon to 6 PM EDT Sunday. * IMPACTS. Roads remain passable. Shallow pockets of flooding less than one foot deep affect more vulnerable coastal roads along the North Shore from Salem and Gloucester to Newburyport. Rough surf will likely cause some splashover onto coastal roads around the time of high tide. Roads remain passable. Low lying areas and roads near Nantucket Harbor, including Easy Street, may experience pockets of shallow flooding less than one foot deep. Dangerous swimming and surfing conditions and localized beach erosion.

* WHAT. For this morning's Coastal Flood Advisory, up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways (1.6 to 12.1 feet Mean Lower Low Water). For the High Surf Advisory, large breaking waves of 8 to 12 feet in the surf zone. For this afternoon's Coastal Flood Advisory, up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (3.5 to 13.6 feet Mean Lower Low Water). For Sunday afternoon's Coastal Flood Advisory, up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (3.6 to 13.3 feet Mean Lower Low Water). * WHERE. Eastern Essex MA, Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA Counties. * WHEN. For the first Coastal Flood Advisory, until 5 AM EDT early this morning. For the High Surf Advisory, until 7 PM EDT this evening. For the second Coastal Flood Advisory, from 11 AM this morning to 5 PM EDT this afternoon. For the third Coastal Flood Advisory, from noon to 6 PM EDT Sunday. * IMPACTS. Roads remain passable. Shallow pockets of flooding less than one foot deep affect more vulnerable coastal roads along the North Shore from Salem and Gloucester to Newburyport. Rough surf will likely cause some splashover onto coastal roads around the time of high tide. Roads remain passable. Low lying areas and roads near Nantucket Harbor, including Easy Street, may experience pockets of shallow flooding less than one foot deep. Dangerous swimming and surfing conditions and localized beach erosion.

* WHAT. For this morning's Coastal Flood Advisory, less than 1 foot of inundation above ground level in low-lying areas near shorelines and tidal waterways (11.4 to 11.6 feet Mean Lower Low Water). For this afternoon's Coastal Flood Advisory, up to one half foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (12.6 to 12.8 feet Mean Lower Low Water). For Sunday afternoon's Coastal Flood Advisory, up to one half foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways (12.3 to 12.6 feet Mean Lower Low Water). * WHERE. Suffolk MA and Eastern Norfolk MA Counties. * WHEN. For the first Coastal Flood Advisory, until 5 AM EDT early this morning. For the second Coastal Flood Advisory, from 11 AM this morning to 5 PM EDT this afternoon. For the third Coastal Flood Advisory, from noon to 6 PM EDT Sunday. * IMPACTS. Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston.

* WHAT. Northeast winds 20 to 30 kt with gusts up to 40 kt and seas 4 to 7 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 8 AM EDT this morning. * IMPACTS. Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

* WHAT. Northeast winds 15 to 20 kt with gusts up to 30 kt and waves around 3 feet. * WHERE. In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN. Until 8 AM EDT this morning. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Northeast winds 25 to 30 kt with gusts up to 40 kt and seas 8 to 12 feet. * WHERE. In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and 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 this morning. * IMPACTS. Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

* WHAT. Northeast winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 11 feet. * WHERE. Cape Cod Bay, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Massachusetts Bay and Ipswich Bay. * WHEN. Until 8 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft.