Boston, Massachusetts
Regional Weather Alerts
| Alert: | Coastal Flood Watch |
| Area(s): | Barnstable; Dukes; Nantucket |
| Effective: | 2026-01-31 @ 12:16 am -> 2026-02-02 @ 1:00 pm |
| Onset: | 2026-02-01 @ 7:00 am -> 2026-01-31 @ 5:00 pm |
| Severity: | Moderate |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Boston/Norton MA on 2026-01-31 @ 12:16 am |
| Headline: | Coastal Flood Watch issued January 31 at 1:16AM EST until February 2 at 2:00PM EST by NWS Boston/Norton MA |
| Description: |
* WHAT...One to two feet of inundation above ground level possible in low-lying areas near shorelines and tidal waterways (4.2 to 13.4 feet Mean Lower Low Water). * WHERE...Barnstable MA, Dukes MA and Nantucket MA Counties. * WHEN...From Sunday morning through Monday afternoon. * IMPACTS...Many roads near Nantucket Harbor become impassable with 1 to 2 feet of water and affects access to the ferry terminals. This includes Easy Street, South Beach Street, Easton Street, Walsh Street, Willard Street, and Straight Wharf. Roads remain passable with pockets of shallow flooding less than one foot deep. This mainly affects low lying areas and roads near Edgartown Harbor, including the Chappy Ferry Dock. Shallow flooding may also approach Five Corners in Vineyard Haven. |
| Alert: | Coastal Flood Advisory |
| Area(s): | Eastern Essex; Suffolk; Eastern Norfolk; Eastern Plymouth |
| Effective: | 2026-01-31 @ 12:16 am -> 2026-02-02 @ 1:00 pm |
| Onset: | 2026-02-01 @ 7:00 am -> 2026-01-31 @ 5:00 pm |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Boston/Norton MA on 2026-01-31 @ 12:16 am |
| Headline: | Coastal Flood Advisory issued January 31 at 1:16AM EST until February 2 at 2:00PM EST by NWS Boston/Norton MA |
| Description: |
* WHAT...One to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (10.8 to 12.7 feet Mean Lower Low Water). * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA and Eastern Plymouth MA Counties. * WHEN...From 8 AM Sunday to 2 PM EST Monday. * IMPACTS...Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston. Most roads remain passable. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport. Rough surf will cause flooding on some coastal roads around the time of high tide due to splashover. |
| Alert: | Cold Weather Advisory |
| Area(s): | Hartford; Tolland; Windham; Western Franklin; Eastern Franklin; Northern Worcester; Central Middlesex County; Western Essex; Eastern Essex; Western Hampshire; Western Hampden; Eastern Hampshire; Eastern Hampden; Southern Worcester; Western Norfolk; Southeast Middlesex; Suffolk; Eastern Norfolk; Northern Bristol; Western Plymouth; Eastern Plymouth; Northwest Middlesex County; Northwest Providence; Southeast Providence; Western Kent; Eastern Kent |
| Effective: | 2026-01-30 @ 10:36 pm -> 2026-01-31 @ 9:00 am |
| Onset: | 2026-01-30 @ 10:36 pm -> 2026-01-31 @ 9:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Boston/Norton MA on 2026-01-30 @ 10:36 pm |
| Headline: | Cold Weather Advisory issued January 30 at 11:36PM EST until January 31 at 10:00AM EST by NWS Boston/Norton MA |
| Description: |
* WHAT...Very cold wind chills as low as 19 below. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...Until 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Barnstable; Dukes; Nantucket |
| Effective: | 2026-01-30 @ 10:35 pm -> 2026-02-02 @ 3:00 am |
| Onset: | 2026-02-01 @ 3:00 am -> 2026-01-31 @ 5:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Boston/Norton MA on 2026-01-30 @ 10:35 pm |
| Headline: | Winter Weather Advisory issued January 30 at 11:35PM EST until February 2 at 4:00AM EST by NWS Boston/Norton MA |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. Winds gusting as high as 45 mph. * WHERE...Cape Cod, Martha's Vineyard and Nantucket. * WHEN...From 4 AM Sunday to 4 AM EST Monday. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches. |
| Alert: | Winter Weather Advisory |
| Area(s): | Eastern Plymouth |
| Effective: | 2026-01-30 @ 10:35 pm -> 2026-02-02 @ 3:00 am |
| Onset: | 2026-02-01 @ 3:00 am -> 2026-01-31 @ 5:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Boston/Norton MA on 2026-01-30 @ 10:35 pm |
| Headline: | Winter Weather Advisory issued January 30 at 11:35PM EST until February 2 at 4:00AM EST by NWS Boston/Norton MA |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches, with the highest snow accumulations in the southern portion of Plymouth County. Winds gusting as high as 40 mph. * WHERE...Eastern Plymouth MA County. * WHEN...From 4 AM Sunday to 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. |