Good morning,

No significant changes compared to the information conveyed in Saturday afternoon's briefing. A storm system moving northeast from the mid-Atlantic region is expected to bring a variety of wind, wintry weather and coastal splashover hazards to parts of Southern New England today into tonight.

Changes with this update:
  • None.
DETAILS: 

Light Icing and Light Snow: Worcester Hills into the Berkshires
Locations: The high terrain of the Worcester Hills and the east slopes of the Berkshires.
Timing: Ongoing, with wintry precipitation expected to change to all rain by mid-morning. Rain then changes back to wet snow late this afternoon into early evening.
Expected Amounts: A light glaze of ice (up to 1/10"), with up to 2 inches of snow at the highest elevations of western Franklin and western Hampshire counties. 
Impact: Slippery travel.  

Strong Northwest Winds: Coastal Massachusetts, Cape Cod and the Islands
Locations:  Coastal Massachusetts, Cape Cod and the Islands
Wind Gusts and Timing: Northwest winds gusting to 40-50 mph. Strongest winds late this afternoon into tonight.
Impact: Limited. A few unsecured objects may become dislodged, tree branches may be felled resulting in a few power outages. Significant impact is not expected.

Splashover: This Morning's High Tide
Locations:  Eastern Massachusetts coast including Martha's Vineyard and Nantucket 
Timing: This morning's high tide (5:41 AM at Providence, 8:45 AM at Boston, and 9:46 AM on Nantucket)
Storm Surge: 1.0 to 1.5 feet 
Impact: Some vulnerable shoreline roads, such as Morrissey Boulevard, may experience splashover around high tide. Significant impacts are not anticipated.

Splashover: This Evening's High Tide
Timing:  This evening's high tide (9:17 PM at Boston and 10:24 PM on Nantucket)
Brief splashover can't be ruled out for tonight's high tide with astronomically high tides. Minor coastal flooding is not expected.  

Marine Impacts: Gale Force Winds (Today into Tonight)
Locations: Massachusetts and Rhode Island coastal & offshore waters. 
Wind Gusts and Timing: East to southeast wind gusts up to 35 kt Sunday morning, then northwest wind gusting up to 35 to 45 knots, peaking late today into tonight.
Seas: 4 to 6 feet on the inner bays and sounds; and 7 to 11 ft offshore.
Impact: Hazardous conditions for mariners.

Please find updated graphics specific to storm total ice and snow accumulations and maximum wind gusts.  Thank you. 

Andrew Loconto

If you have any questions or would like more information, don't hesitate to contact us via this email address, on NWSChat, or at the following:

National Weather Service Boston/Norton, MA
46 Commerce Way
Norton, MA 02766
508.622.3280
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