Other
Underwater ordnance detonations 230800Z to 231800Z jul in area bound by 28-37N 076-30W, 28-24N 076-15W,…
NAVAREA IV 239/99
- issued
- 1999-07-21 02:08Z
- status
- cancelled 1999-07-23 19:00Z (archive)
- self-cancels
- 1999-07-23 19:00Z
- authority
- CCGD SEVEN BNM 559/99 191743Z JUL 99
- sea
- North Atlantic Ocean
- position
- 29.276, -75.570
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 230800Z TO 231800Z JUL IN AREA BOUND BY 28-37N 076-30W, 28-24N 076-15W, 29-54N 074-40W, 30-10N 074-53W. 2. CANCEL THIS MSG 231900Z JUL.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-07-23 08:00Z | 1999-07-23 18:00Z | — | 10 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · other warnings
30 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
24
- All services unreliable at uscg remote communication facilities: a. boston (f) 41-42.80N 070-30.30W2024-04-23
- Transmit and receive services unreliable at uscg remote communication facilities: a. chesapeake (n) 36-44N…2024-03-16
- Gmdss services unreliable 071500Z to 071600Z mar at uscg remote communication facilities: a. boston (f)…2024-03-06
- Services unreliable 302203Z jan to 022359Z feb at uscg remote communication facilities: a. boston (f)…2024-01-30
- Transmit services degraded 181400Z to 181600Z dec at uscg remote communication facilities: a. boston (f)…2023-12-17
- Services unreliable 121400Z to 121700Z dec at uscg remote communication facilities: a. boston (f) 41-43.00N…2023-12-12
Season · when other warnings 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
34 other warnings in force · see all
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.