The Tide Board · West Coast

Port Nolloth

Tides, waves, sea temperature and weather, as at 00:02 SAST on Sat, 17 Oct.

Sea12,3 °Csatellite
Waves2,0 m12,3 s, from SW
Wind6 km/hfrom SW, 225°
Air14 °CCloudy
Next low00:150,71 m, falling now
Sun06:13 · 19:03rise and set; moon 34% lit

Tides

0,51,01,5Sat, 17 OctSun, 18 OctMon, 19 Octnow00:1506:3512:3419:0201:1408:0114:4021:0603:1510:0616:5122:50
Sat, 17 Oct
  • Low 00:150,71 m
  • High 06:351,34 m
  • Low 12:340,85 m
  • High 19:021,27 m
Sun, 18 Oct
  • Low 01:140,82 m
  • High 08:011,25 m
  • Low 14:400,92 m
  • High 21:061,21 m
Mon, 19 Oct
  • Low 03:150,88 m
  • High 10:061,28 m
  • Low 16:510,86 m
  • High 22:501,27 m

Predicted for the Port Nolloth gauge, in metres above chart datum (LAT). Astronomical tide only: wind and pressure can add or take away 20 to 30 cm.

Waves

Height2,0 msignificant wave height
Period12,3 s0,081 Hz, about 5 waves a minute
DirectionSWfrom 220°

Swell 1,5 m at 12,6 s from SW.

0,01,02,03,04,0Sat, 17 OctSun, 18 OctMon, 19 OctTue, 20 OctWed, 21 OctThu, 22 Octnow

Solid line: total sea, in metres. Dashed line: the swell on its own.

DayHighestPeriodFrom
Sat, 17 Oct2,6 m13,2 sSW 220°
Sun, 18 Oct3,1 m14,1 sSW 228°
Mon, 19 Oct2,8 m12,8 sSW 221°
Tue, 20 Oct2,6 m11,8 sSW 218°
Wed, 21 Oct2,4 m12,3 sSW 224°
Thu, 22 Oct2,4 m12,2 sSW 229°
So far
-0,50,00,51,01,52,02,53,03,54,04,55,025 Sept26 Sept27 Sept28 Sept29 Sept30 Sept01 Oct02 Oct03 Oct04 Oct05 Oct06 Oct07 Oct08 Oct09 Oct10 Oct11 Oct12 Oct13 Oct14 Oct15 Oct16 Oct17 Octnow

Significant wave height from the same model, as it stood each hour. Metres.

NOAA WaveWatch III at 0,5°: the nearest open-sea model cell, 45 km offshore. Height is significant wave height, the average of the highest third. Period is the peak period, and frequency is one over the period.

Weather

Sat, 17 OctClearHigh 18°, low 14°Wind up to 37 km/h · rain 0,0 mm
Sun, 18 OctPartly cloudyHigh 16°, low 14°Wind up to 39 km/h · rain 0,0 mm
Mon, 19 OctClearHigh 16°, low 12°Wind up to 36 km/h · rain 0,0 mm

Sea temperature

891011121314151627 Aug28 Aug29 Aug30 Aug31 Aug01 Sept02 Sept03 Sept04 Sept05 Sept06 Sept07 Sept08 Sept09 Sept10 Sept11 Sept12 Sept13 Sept14 Sept15 Sept16 Sept17 Sept18 Sept19 Sept20 Sept21 Sept22 Sept23 Sept24 Sept25 Sept26 Sept27 Sept28 Sept29 Sept30 Sept01 Oct02 Oct03 Oct04 Oct05 Oct06 Oct07 Oct08 Oct09 Oct10 Oct11 Oct12 Oct13 Oct14 Oct15 Oct16 Oct17 Octnow

Rings: NOAA satellite. Degrees Celsius.

12,3 °CNOAA CoralTemp satelliteFor 15 October. Satellite values run about two days behind.

The sources measure different things in different places and can differ by up to 2 °C, so the page shows the spread rather than picking one.

Sun and moon

DaySunriseSunsetMoonriseMoonset
Sat, 17 Oct06:1319:0310:4700:39
Sun, 18 Oct06:1219:0311:4301:24
Mon, 19 Oct06:1119:0412:4002:03
Tue, 20 Oct06:1019:0513:3802:39

Waxing crescent, 34% lit. Full moon Mon, 26 Oct at 06:12. New moon Mon, 09 Nov at 09:02.

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Sources
  • Tide predictions computed from TICON-4 harmonic constants for Port Nolloth (CC BY 4.0).
  • Weather: data from MET Norway (CC BY 4.0).
  • Wave model: NOAA/NCEP WaveWatch III, served by PacIOOS (University of Hawaii).
  • Satellite sea temperature: NOAA Coral Reef Watch CoralTemp.

Predictions are guidance, not for navigation. South Africa's official tide tables are the SA Navy Hydrographic Office's.