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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Saturday 30 May 2026 SASTForecast update in hr min s Forecast update imminent
Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arniston sea temperature is
17.4° C
(Which is slightly warmer than usual)How big are the waves at Arniston today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3ft (0.9m), 12s period with SSW swell.
- Evening surf: Evening surf (31 May, local time) - 3ft (0.9m), 12s period with SW swell.
The current surf forecast for Arniston at 1AM is: 1.1m 12s primary swell from a South-southwest direction and 0.5m 6s secondary swell from a East direction (forecast issued at 07:00pm May 30). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3.5ft (1.1m) | 12s |
| Afternoon (31 May) | 3ft (0.9m) | 12s |
| Evening (31 May) | 3ft (0.9m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Very mild (max 19°C on Sun afternoon, min 14°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the S by Tue morning). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 11 | SSW 9 | SSW 10 | SSW 9 | |
359 | 278 | 359 | 377 | 371 | 336 | 336 | 255 | 209 | 209 | 205 | 167 | 195 | 192 | 264 | 321 | 380 | 282 | 244 | 514 | 785 | 630 | 491 | 592 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross-on | cross-on | cross | cross | glassy | cross-on | glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross-on | cross-on | |
High Tide | 2:51PM1.63m | 2:56AM1.71m | 3:24PM1.65m | 3:29AM1.70m | 3:57PM1.65m | 4:02AM1.67m | ||||||||||||||||||
Low Tide | 8:52PM0.40m | 9:14AM0.25m | 9:25PM0.39m | 9:45AM0.26m | 9:57PM0.41m | 10:17AM0.29m | ||||||||||||||||||
 |  | | | | | | | | | | | | |  | | |  | |  | | |  |  | |
 | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — |
 | 5:36 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | 5:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 15 | 15 | 15 | 15 | 14 | 15 | 16 | 19 | 19 | 17 | 17 | 17 | 16 | 16 | 17 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 16 | 15 |
14 | 14 | 15 | 15 | 13 | 14 | 14 | 18 | 18 | 16 | 16 | 15 | 14 | 15 | 16 | 17 | 15 | 15 | 14 | 12 | 10 | 8 | 12 | 9 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | E 8 | E 8 | SSW 10 | SSW 10 | SSW 9 |
 kJ | 359 | 278 | 359 | 377 | 371 | 336 | 336 | 255 | 209 | 209 | 205 | 167 | 195 | 192 | 264 | 321 | 380 | 282 | 244 | 41 | 41 | 537 | 491 | 592 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 5 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 8 | SSW 12 | — | E 7 | ESE 8 | ESE 8 |
| kJ | 38 | 26 | 17 | 16 | 10 | 10 | 11 | 15 | 29 | 29 | 28 | 36 | 31 | 42 | 37 | 36 | 35 | 39 | 42 | 28 | — | 16 | 20 | 22 |
Swell 3 Height (m) Direction Period (s) | — | — | E 9 | ESE 8 | ESE 8 | ESE 8 | ESE 5 | ESE 8 | — | — | — | — | — | S 14 | — | — | SSW 14 | SSW 12 | SSW 12 | — | — | SW 12 | WSW 12 | E 8 |
| kJ | — | — | 2 | 7 | 6 | 12 | 5 | 12 | — | — | — | — | — | 34 | — | — | 121 | 89 | 50 | — | — | 37 | 28 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 3 | SW 12 | SW 11 | SSW 9 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 514 | 785 | 630 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 81 | 81 | 81 | 76 | 76 | 76 | 76 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | 0 | 113 | 113 | 135 | 191 | 183 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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