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Elev 10 ft, 41.67 °N, 69.97 °W

Chatham, MA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Chatham, MA
Elevation: 10ft
Nearby Weather Stations

Active Weather Alerts

High Surf Advisory
Issued: 12:57 PM Jul. 21, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 6 AM WEDNESDAY TO
8 PM EDT THURSDAY...

* WHAT...Large breaking waves of 4 to 8 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

Small Craft Advisory
Issued: 7:46 AM Jul. 21, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM
EDT WEDNESDAY...

* WHAT...Southwest winds 20 to 30 kt with gusts up 30-34 kt and
seas 4 to 6 feet expected.

* WHERE...In Massachusetts coastal waters, Nantucket Sound,
Vineyard Sound and Buzzards Bay. In Rhode Island coastal
waters, Rhode Island Sound.

* WHEN...From 8 PM this evening to 8 PM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

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