FQZA30 FAPR 181300



WEATHER BULLETIN FOR COASTAL WATERS UP TO 50 NAUTICAL MILES SEAWARD.

ISSUED BY THE SOUTH AFRICAN WEATHER SERVICE ON THE

18TH OF SEPTEMBER 2025 AT 13:00 UTC.



FORECAST VALID FROM 182200 to 192200 UTC:



WIND IN KNOTS, WAVE HEIGHTS IN METRES. NO SEA STATE GIVEN IF WAVES LESS THAN 2M.



NOTE THE WIND SPEEDS QUOTED HERE ARE THE EXPECTED AVERAGE SPEEDS.

INDIVIDUAL GUSTS MAY EXCEED THESE VALUES BY A FACTOR OF UP TO 1.5.

WAVE HEIGHTS ARE SIGNIFICANT WAVE HEIGHTS THAT MAY BE ACCOMPANIED BY

INDIVIDUAL WAVES 1.5 TO 2.0 TIMES HIGHER.



THESE ESTIMATES OF WINDS AND WAVES DO NOT TAKE INTO ACCOUNT THE ENHANCING

EFFECTS OF THE AGULHAS CURRENT OFF THE SOUTH AFRICAN EAST COAST.



NOTE: WX OBSERVATIONS.

======================

COULD ALL VESSELS EXPERIENCING UNEXPECTED, SEVERE WX/SEA STATE PLEASE

MAKE EVERY EFFORT TO REPORT THIS TO SAWS VIA CAPE TOWN RADIO.



ALERTS:

=======

WARNINGS:

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1. A gale force E'ly wind of 35 knots is expected between Knysna and East

   London in the afternoon.



2. Poor visibility is expected in mist between Cunene River and Luderitz

   At first and again between Walvis Bay and Charlottenfelder.



3. Moderate visibility is expected in showers and rain between Algoa Bay

   and Richards Bay, spreading to Maputo tomorrow morning while clearing

   from the west.



WATCH:

------

Nil.



SEVERE WEATHER ADVISORIES:

--------------------------

Nil.



ABNORMAL WAVE CONDITIONS:

-------------------------

Nil.



AREA FORECAST:

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CUNENE RIVER TO WALVIS BAY:

WIND     : S to SE 10 to 20, reaching 25 north of Mowe Bay at times.

VIS      : Good, becoming poor in mist in places at first and again

           around Walvis Bay end of period.

SEA STATE: 2.0 to 2.5m, with S to SW swell.



WALVIS BAY TO ORANGE RIVER:

WIND     : S to SE 10 to 20.

VIS      : Good, becoming poor in mist in places north of Luderitz at

           first but again north of Charlottenfelder.

SEA STATE: 2.0 to 2.5m, with S to SW swell.



ORANGE RIVER TO CAPE AGULHAS:

WIND     : S to SE 10 to 20kt, reaching 25kt between Cape Point and Cape

           Agulhas where it will be mainly E'ly, while becoming variable

           05kt north of Table Bay during the evening.

VIS      : Good.

SEA STATE: 2.0 to 3.0m, with S to SE swell.



CAPE AGULHAS TO EAST LONDON:

WIND     : Light and variable at first, becoming E to NE 10 to 20 west of

           Algoa Bay overnight, spreading to East London by late morning,

           reaching up to 35 in places east of Knysna in the afternoon.

VIS      : Moderate in showers of rain east of Algoa Bay at first,

           otherwise, good.

SEA STATE: 2 to 3m with SW swell, becoming E'ly from Friday afternoon,

           and reaching up to 4m between Mossel Bay and Stormsriver in

           the evening.



EAST LONDON TO MAPUTO:

WIND     : S to SW 10 to 20 south of Richards Bay until tomorrow mid-

           morning, otherwise E to SE 10 to 20. It will become NE 20 to

           30 south of Port St Johns tomorrow afternoon, spreading to

           Richards Bay by the end of the period.

VIS      : Good, becoming moderate in showers and rain south of Durban,

           spreading to Maputo tomorrow morning.

SEA STATE: 2.0 to 3.0m, with S to SW swell.



MOZAMBIQUE CHANNEL:

WIND     : N to NE 10 to 20 in the west, otherwise E to SE 05 to 15,

           reaching 20 to 25 in the south-east but 30 from mid-period.

VIS      : Good.

SEA STATE: 3.0 to 4.0m in the south and eastern parts, with SW swell.