Massachusetts Coastal Advisories Have Been Issued

The National Weather Service has issued warnings for coastal flooding and hazardous conditions for small vessels.

Updated on Sept. 28, 2026 in Forecasts

A wide shot of crashing waves against a dark, rocky Atlantic coastline under heavy gray storm clouds, reflecting hazardous maritime conditions. — The National Weather Service has issued coastal flood and small craft advisories for Massachusetts as hazardous winds and high tides threaten shoreline areas. AI Illustration. Upload story photo >

The National Weather Service has issued a small craft advisory and a coastal flood advisory for parts of Massachusetts. Residents in low-lying areas and mariners should prepare for hazardous wind, sea, and tidal conditions.

Why it matters

These concurrent advisories alert the public to potential risks, including isolated road closures and dangerous boating conditions. Monitoring these warnings is essential for safety near coastal and tidal zones.

Coastal flood advisories warn of 0.5 feet of inundation above ground level, while small craft face winds of 10 to 20 knots with gusts up to 30 knots. Seas are currently projected to reach heights of 6 to 9 feet.

The players

National Weather Service

This federal agency is responsible for providing weather forecasts, warnings, and data to protect life and property in the United States.

The details

Northeast winds are creating hazardous conditions for smaller vessels across the region, while tidal activity is expected to cause inundation in areas near shorelines. The weather pattern is projected to lead to isolated road closures in affected coastal zones.

The coastal flood advisory is in effect until midnight EDT tonight.
The small craft advisory remains in effect until 2 PM EDT Tuesday.

Seasonal Patterns

This weather event follows the protocols of the National Weather Service's coastal flood advisory criteria for issuing alerts based on specific inundation and wind thresholds. Such localized warnings are a standard component of regional maritime and emergency response management.

Mariners should remain in port or exercise extreme caution until the small craft advisory expires on Tuesday. Residents in low-lying coastal areas should prepare for potential road closures and stay updated on local flood warnings throughout the night.

The takeaway

Understanding the specific risks posed by coastal inundation and high winds helps residents and boaters minimize danger. Keeping watch for updated NWS bulletins is the best way to track when conditions return to normal.