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Active official alertUpdated

Small Craft Advisory for Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary; Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM; Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: North winds 5 to 15 kt and seas 4 to 6 feet expected. Impacts: Conditions will be hazardous to small craft. Where: Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM and Coastal Waters extending out...

What the bulletin says to do

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

Full official description

Bulletin details

* WHAT...North winds 5 to 15 kt and seas 4 to 6 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM and Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. * WHEN...From 2 AM to 8 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Small Craft Advisory issued September 5 at 2:14AM EDT until September 6 at 8:00PM EDT by NWS Boston/Norton MA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Boston/Norton MA. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections