As of Friday morning, September 25, the National Weather Service in Boston is warning of a strong, long-duration nor'easter with damaging wind potential along the coast, strong winds farther inland, coastal flooding and erosion, and periods of heavy rain through the weekend. The storm is beginning today, so the useful question is no longer whether it forms. It is what the forecast means for your location and your household.
What is expected now
NWS expects winds and rain to increase as the storm approaches, with the most disruptive conditions lasting through the weekend. Its current weather story highlights strong winds, rough seas, prolonged steady rain, beach erosion, coastal flooding, downed limbs and power outages as the main concerns.
Along the eastern Massachusetts coast and parts of southeastern Massachusetts, High Wind Warnings run from Friday morning into early Sunday. The warning calls for northeast winds of 25 to 35 mph with gusts up to 60 mph. NWS says damaging winds may bring down branches and power lines, with power outages expected in the warned areas.
Many inland locations are under Wind Advisories instead. Those advisories call for northeast winds of roughly 15 to 25 mph with gusts between 35 and 50 mph. NWS notes that tree limbs could come down and a few power outages may result.
Why late September makes the wind more important
The duration matters as much as one peak gust. NWS specifically notes that heavy rain, prolonged wind and fully leafed trees can increase the chance of tree damage and outages. A tree carrying a full canopy catches more wind than the same tree after leaf drop, and wet ground can make some trees less secure.
That does not mean every neighborhood will lose power. It means households with overhead utilities, mature trees or known weak limbs should take the outage possibility seriously enough to check their normal backup plans before conditions worsen.
Rain will be prolonged
This is not expected to be a quick line of thunderstorms. Rain develops and continues through much of the weekend, and some NWS point forecasts keep showers or rain in the picture into Monday. Individual locations may see periods of heavier rain within the longer event.
The longer duration means the household concerns are cumulative: sump pumps run longer, soil gets wetter, drainage trouble becomes more likely, and trees are exposed to wind for many hours. Check known drainage trouble spots, accessible gutters and sump equipment before the heaviest rain arrives.
Coastal flooding is now an active warning issue
Coastal Flood Warnings and Advisories have replaced some of the earlier watches. In warned portions of the eastern Massachusetts coast, NWS expects one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. Minor coastal flooding with pockets of moderate flooding is possible over repeated high-tide cycles, along with significant beach erosion.
Those coastal hazards are a separate problem from conditions at an inland home. If you are near the shoreline, follow the specific coastal flood product for your community. If you are inland, focus more on wind, trees, drainage and utility outages.
A practical household check today
- Power: Charge phones and battery banks. Confirm utility outage alerts are enabled. If you have a generator or battery system, verify what it actually powers before an outage starts.
- Generator safety: Run portable generators outdoors and well away from doors, windows and vents. Never operate one in a house, basement, garage or other enclosed or partly enclosed space. Confirm carbon monoxide alarms are working.
- Water: Private-well households should know whether the well pump is on backup power. Keep some potable water available and know whether treatment equipment needs electricity too.
- Drainage: Test sump pumps and backups. Clear accessible drains and gutters if it is still safe to do so. Move vulnerable items off basement floors if water has entered before.
- Refrigeration: Keep refrigerator and freezer doors closed during an outage. CDC guidance says an unopened refrigerator generally keeps food safe for about 4 hours, a full freezer about 48 hours and a half-full freezer about 24 hours.
- Communications: Charge devices, have a battery radio or another fallback, and make sure important contacts are stored somewhere other than a single phone.
- Outside: Secure loose items. Park away from questionable trees or limbs if practical. Do not attempt hazardous tree work as winds increase.
- People: Check prescriptions, pets, transportation needs and anyone who depends on powered medical equipment or another person for care. Make sure more than one adult knows how critical household systems work.
What not to overreact to
You do not need to empty grocery shelves or buy unfamiliar equipment at the last minute. Most households get more value from checking the systems and supplies they already own than from panic buying.
Do not apply the strongest coastal forecast to an inland property. Conversely, coastal residents should not assume an inland wind forecast represents shoreline conditions. Use the current NWS forecast and warnings for your specific location.
The nor'easter is also separate from the tropical systems currently in the Atlantic. Tropical Storms Fay and Gonzalo are far from New England and are not the cause of this storm.
When will the picture change again?
Warnings are already in effect, so the next useful updates are operational: whether peak gust forecasts change, where the heaviest rain sets up, how utilities respond, and whether coastal flooding reaches the higher end of current expectations. The storm's slow movement also means conditions will need to be monitored through the weekend rather than judged by Friday afternoon alone.
Use the storm as a test of the household
Even if your home never loses power, this is a useful test before winter. You can verify backup power, water, drainage, communications, refrigeration and whether someone else knows how to operate critical systems.
That is the point of continuity planning: turn a real event into a short list of useful actions without turning uncertainty into fear.
For a deeper walk through, see our 48 hour home power outage check or our household resilience and emergency preparedness services.
How Northeast Continuity can help: If this storm exposes questions about power, water, communications or who knows how to run the house, we can help turn those questions into a practical continuity plan. See how we help households prepare →
Sources
- National Weather Service Boston/Norton: Current Wind Warnings and Advisories
- National Weather Service Boston/Norton: Weather Story
- National Weather Service: Boston Forecast and Coastal Hazards
- NOAA National Hurricane Center: Atlantic Tropical Weather
- Massachusetts Emergency Management Agency: Power Outage Safety Tips
- Massachusetts Department of Fire Services: Generator Safety
- CDC: Keep Food Safe After a Disaster or Emergency
Northeast Continuity provides private household continuity, preparedness and resilience services. This article is general information and reflects publicly available guidance as of September 25, 2026. Forecasts and warnings change. Follow current instructions from the National Weather Service, local public safety officials and appropriate professionals.