World-Wide Navigational Warning Service

NAVAREA VII

Coordinated by South Africa (South African Navy Hydrographic Office); covers the south-east Atlantic and south-west Indian Ocean around southern Africa.

NAVAREA VII covers the waters around southern Africa, from the Atlantic off Namibia round the Cape to the Indian Ocean off Mozambique. The South African Navy Hydrographic Office coordinates it.

The in-force list is collected directly from the Hydrographic Office's pages, which are updated during office hours; older warnings come from NGA relays.

own list read: South African Navy Hydrographic Office
attributed by: own series 14 · named in an NGA relay 1,964

What the archive shows

1,978 warnings in this archive are attributed to NAVAREA VII, issued from 1999-05-22 to 2026-09-19. 2 of them are in force in the latest lists we collected.

14 come from the area's own series and 1,964 are NGA relays that name NAVAREA VII as their source.

Surveys accounts for 494 of 1,978 recorded messages (25%), the largest warning type group in this selection.

The stations and services named as originators most often are SANHO (14), WZ (5), NAVAREA VII CNW (3) and GUAMSARCOORD (2), among 18 in all.

The largest yearly count is 2013, with 173 warnings. Collection is incomplete between 2024-05 and 2026-08-17, so those years are not comparable.

Across all years its warnings are issued most often in February and least often in June.

They reached this archive through HYDROLANT (1,098), HYDROPAC (866) and NAVAREA VII (14).

Attributed warnings by year of issue

'99

'00

'01

'02

'03

'04

'05

'06

'07

'08

'09

'10

'11

'12

'13

'14

'15

'16

'17

'18

'19

'20

'21

'22

'23

'24

'25

'26

By month of issue, all years

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Warning types

Originating stations and services · 18

The authority recorded with each message: the range, rescue centre, coast radio station or national service that issued it.

SANHO14
WZ5
NAVAREA VII CNW3
GUAMSARCOORD2
NAVAREA VII COASTAL NAVWARNING2
AUSSAR1
AUTHORITY NAVAREA VII1
CAPE TOWN RADIO1
LA REUNION1
NAVAREA VII COORD1
NAVAREA VII IN-FORCE1
RCC AUSTRALIA1

Where they lie · 14 sea areas

Newest in force · 2

In force the longest

Most recently issued

Neighbouring areas

NAVAREA VI — the south-western Atlantic off Argentina and Uruguay, toward Antarctica
NAVAREA VIII — the central and northern Indian Ocean, including the Bay of Bengal

All 21 NAVAREAs → · What a NAVAREA is →

Counts are warnings attributed to NAVAREA VII by their series or by the source an NGA relay names, recounted 2026-09-24; the area's full traffic is larger. Not for navigation — follow official NAVAREA broadcasts.