Alert archive / Massachusetts / Small Craft Advisories in 2026

Small Craft Advisory 57, NWS Boston/Norton, MA

May 18, 2026

NWS Boston/Norton, MA issued this small craft advisory at May 18, 2026, 3:16 PM EDT. It took effect at May 19, 2026, 11:00 AM EDT. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued: May 18, 2026, 3:16 PM EDT (19:16 UTC)
In effect from: May 19, 2026, 11:00 AM EDT
Expired: May 21, 2026, 2:00 AM EDT
In force: 39 hr
Issued by: NWS Boston/Norton, MA

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this small craft advisory went out at May 18, 2:54 PM EDT, 22 minutes earlier.

Area forecast discussion, May 18, 2:54 PM EDT, 22 minutes before

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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 12:57 PM EDT	Heat Advisory	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	54 hr

Nearby

Small Craft Advisories in Massachusetts, 2026 Every small craft advisory in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.