Alert archive / Massachusetts / Rip Current Statements in 2026
Rip Current Statement 13, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this rip current statement at Sep 7, 2026, 4:39 AM EDT for 8 counties in Massachusetts. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Sep 7, 2026, 4:39 AM EDT (08:39 UTC)
- Expired
- Sep 7, 2026, 8:00 PM EDT
- In force
- 15 hr
- Issued by
- NWS Boston/Norton, MA
Counties Barnstable County, MA, Dukes County, MA, Essex County, MA, Middlesex County, MA, Nantucket County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA
The radar
The Boston radar (KBOX), 30 km from the middle of the area, began a volume at 08:37 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 8.7 hours before the alert went out and 215 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 12 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
201 WHUS41 KBOX 070839 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 439 AM EDT Mon Sep 7 2026 MAZ007-014-015-019-022>024-072145- /O.NEW.KBOX.RP.S.0013.260907T0839Z-260908T0000Z/ Eastern Essex MA-Southeast Middlesex MA-Suffolk MA- Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- 439 AM EDT Mon Sep 7 2026 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Eastern Essex MA, Southeast Middlesex MA, Suffolk MA, Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA Counties. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
1 follow-up statement
437 WHUS41 KBOX 071739 CFWBOX Coastal Hazard Message National Weather Service Boston/Norton MA 139 PM EDT Mon Sep 7 2026 MAZ007-014-015-019-022>024-080000- /O.CON.KBOX.RP.S.0013.000000T0000Z-260908T0000Z/ Eastern Essex MA-Southeast Middlesex MA-Suffolk MA- Eastern Plymouth MA-Barnstable MA-Dukes MA-Nantucket MA- 139 PM EDT Mon Sep 7 2026 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Eastern Essex MA, Southeast Middlesex MA, Suffolk MA, Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
Nearby
Rip Current Statements in Massachusetts, 2026Every rip current statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.