Exercises

Hazardous operations occur daily 17 to 21 September, 0900Z to 2330Z, within 140 miles of 58-14.00N 013-21.00W in the North Atlantic off Scotland.

North Atlantic · Scotland · HYDROLANT 1804/26

issued
2026-09-12 01:07Z
status
cancelled 2026-09-14 15:15Z (dropped from inforce)
self-cancels
2026-09-22 00:30Z
sea
North Atlantic Ocean
position
58.233, -13.350 · r 140.0 nm
source
nga_inforce · first seen 2026-09-14 20:17Z

Original warning text

NORTH ATLANTIC.
SCOTLAND.
1. HAZARDOUS OPERATIONS
   0900Z TO 2330Z DAILY 17 THRU 21 SEP
   IN AREA WITHIN 140 MILES OF
   58-14.00N 013-21.00W.
2. CANCEL THIS MSG 220030Z SEP 26.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2026-09-17 09:00Z2026-09-17 23:30Z14 h 30
2026-09-18 09:00Z2026-09-18 23:30Z14 h 30
2026-09-19 09:00Z2026-09-19 23:30Z14 h 30
2026-09-20 09:00Z2026-09-20 23:30Z14 h 30
2026-09-21 09:00Z2026-09-21 23:30Z14 h 30

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · military exercises

334 within 180 nm since 2001 · 7 in the last 12 months · 1 in force now

01
05
10
15
20
25
26

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

26 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.