Nantucket County, MA
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Wednesday 07/22 6:00 AM EDT – Thursday 07/23 8:00 PM EDT
Issued by NWS Boston/Norton MA
What
Large breaking waves of 4 to 10 feet expected in the surf zone.
Where
Washington, Southern Bristol MA, Southern Plymouth MA, Barnstable MA, Dukes MA, Nantucket MA, and Newport RI Counties.
When
From 6 AM Wednesday to 8 PM EDT Thursday.
Impacts
Dangerous swimming and surfing conditions and localized beach erosion.
What to Do
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Areas Impacted
- Southern Bristol
- Southern Plymouth
- Barnstable
- Dukes
- Nantucket
- Washington
- Newport
- Block Island
Tips to Stay Safe
A High Surf Advisory means that breaking waves could result in dangerous conditions.
- Very strong waves could be dangerous to anyone in the water and along the shore.
- Always stay near lifeguards.
- Stay off of rocks or jetties where large waves could pop up suddenly.
Briefings
From the Forecaster
Isolated Severe Weather Today & Wednesday
Created by the NWS Boston/Norton WFO
[Isolated Severe Weather Today & Wed] Showers & scattered thunderstorms will develop late today, especially tonight, and again on Wed. Storms will bring the potential for isolated severe weather...mainly localized damaging wind gusts. Torrential rainfall may also result in localized Flood Threat. Main time of concern is 4 PM Tue - 4 AM Wed and again 2 PM - 10 PM Wed.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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