Here is the latest forecast information for Hurricane Dorian. The only change was slightly stronger winds a bit further west, but there are no significant changes to the forecast.
-Tropical Storm Warnings for Cape Cod and the Islands as well as adjacent coastal waters.
Period of greatest threat:
- 2 AM Through Noon Saturday.
Locations most at risk:
- Cape Cod and the Islands, as well as the adjacent coastal waters. Highest risk is Nantucket and the coastal waters to the south and east.
Potential Impacts:
- Period of 45 to 60 mph wind gusts across Cape Cod and the Islands, strongest over Nantucket. This may result in some downed trees and scattered power outages.
- Period of 30 to 45 mph wind gusts across the rest of eastern MA and RI. Given trees are fully leafed, isolated downed trees & isolated power outages are possible.
- Heavy rain of 1 to 4 inches across Cape Cod and The Islands. Heaviest rain occurs late night into Saturday morning over Nantucket. Some urban/poor drainage street flooding may occur.
- Minor coastal flooding possible between 6 and 10 am for Nantucket Harbor and perhaps some north facing beaches of Cape Cod. No significant coastal flooding or property damage is expected.
- 45 to 55 knot wind gusts and 15 to 20+ foot seas across the waters east of Cape Cod and south and east of Nantucket. Dangerous conditions for mariners.
Confidence:
- High confidence in a period of strong wind gusts and heavy rain across the Cape and Islands, especially Nantucket.
- Lower confidence on the potential for minor coastal flooding.
The next briefing will be around 6 am Saturday, unless there is a need for a briefing sooner. If you require any updates prior to that time, please feel free to contact us.