Surf Forecasts:
How big are the waves at Arniston today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 6ft (1.8m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 5ft (1.6m), 14s period with SSW swell.
- Evening surf: Evening surf (18 Jun, local time) - 5ft (1.5m), 13s period with SSW swell.
The current surf forecast for Arniston at 4PM is: 1.6m 14s primary swell from a South-southwest direction and 0.2m 7s secondary swell from a East-southeast direction (forecast issued at 01:00pm June 18). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 6ft (1.8m) | 15s |
| Afternoon (18 Jun) | 5ft (1.6m) | 14s |
| Evening (18 Jun) | 5ft (1.5m) | 13s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 14°C on Fri night). Winds decreasing (strong winds from the E on Fri afternoon, calm by Sun morning). | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | SSW 12 | SSW 16 | SSW 15 | SW 15 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | S 11 | S 9 | SW 12 | S 9 | SW 12 | SSW 15 | SW 15 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1275 | 1130 | 982 | 779 | 854 | 1026 | 956 | 594 | 519 | 411 | 325 | 459 | 452 | 361 | 343 | 259 | 181 | 87 | 110 | 78 | 83 | 146 | 318 | 367 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross | glassy | cross-off | glassy | glassy |
High Tide | 5:58PM1.80m | 6:13AM1.62m | 6:48PM1.72m | 7:05AM1.48m | 7:41PM1.63m | |||||||||||||||||||
Low Tide | 11:41AM0.17m | 00:15AM0.33m | 12:27PM0.28m | 1:10AM0.43m | 1:15PM0.41m | 2:10AM0.52m | ||||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — |
 | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | 5:35 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 16 | 18 | 22 | 23 | 22 | 21 | 21 | 20 | 19 |
Feels °C | 12 | 15 | 15 | 16 | 13 | 13 | 13 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 13 | 15 | 19 | 21 | 20 | 20 | 19 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 12 | SSW 12 | SSW 12 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | SW 15 | SSW 14 |
| kJ | 1275 | 1130 | 982 | 779 | 854 | 1026 | 956 | 594 | 501 | 308 | 259 | 459 | 452 | 361 | 128 | 112 | 97 | 84 | 68 | 56 | 58 | 47 | 318 | 367 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | E 7 | E 10 | E 10 | SSW 18 | S 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SW 18 | SSW 18 | SSW 12 | SSW 11 | S 11 | S 9 | S 9 | S 9 | S 9 | S 9 | E 7 | E 7 |
| kJ | 10 | 9 | 5 | 4 | 2 | 2 | 61 | 142 | 201 | 411 | 325 | 253 | 12 | 30 | 343 | 259 | 181 | 87 | 79 | 78 | 56 | 54 | 44 | 45 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | SE 7 | E 10 | — | SW 20 | SW 17 | — | SSW 16 | WSW 12 | SW 15 | SW 15 | SW 18 | — | SW 18 | SSW 16 | SW 12 | SSW 11 | SW 12 | SW 12 | SW 12 | SSW 15 | S 8 | S 8 |
| kJ | 5 | 5 | 2 | 2 | — | 15 | 143 | — | 519 | 347 | 314 | 75 | 50 | — | 12 | 26 | 52 | 50 | 110 | 68 | 83 | 146 | 51 | 34 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 7 | E 7 | E 10 | ESE 4 | ESE 5 | E 5 | E 5 | E 6 | E 6 | E 6 | — | E 6 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 4 | 1 | 2 | 43 | 69 | 88 | 129 | 163 | 198 | 187 | — | 153 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 81 | 81 | 113 | 81 | 81 | 81 | 81 | 140 | 140 | 137 | 81 | 81 | 83 | 93 | 76 | 76 | 76 | 76 | 81 | 81 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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