Surf Forecasts:
How big are the waves at Nine Mile Reef today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 5.5ft (1.7m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 5ft (1.5m), 14s period with SSW swell.
- Evening surf: Evening surf (18 Jun, local time) - 4.5ft (1.4m), 13s period with SW swell.
The current surf forecast for Nine Mile Reef at 10PM is: 1.4m 13s primary swell from a Southwest direction and 1.0m 4s secondary swell from a 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) | 5.5ft (1.7m) | 15s |
| Afternoon (18 Jun) | 5ft (1.5m) | 14s |
| Evening (18 Jun) | 4.5ft (1.4m) | 13s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
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 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 15 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SW 12 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 15 | SW 15 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1279 | 1126 | 908 | 721 | 711 | 700 | 555 | 392 | 386 | 424 | 278 | 390 | 503 | 444 | 349 | 280 | 164 | 234 | 125 | 119 | 119 | 223 | 424 | 440 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | glassy | cross-off | cross-off | cross | cross-off | cross-off | glassy | on | on | glassy | glassy | glassy | glassy | glassy |
High Tide | 6:01PM1.51m | 6:19AM1.35m | 6:52PM1.45m | 7:13AM1.24m | 7:46PM1.38m | |||||||||||||||||||
Low Tide | 11:43AM0.13m | 00:18AM0.24m | 12:30PM0.22m | 1:14AM0.32m | 1:20PM0.32m | 2:14AM0.39m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:50 | — |
 | — | — | 5:42 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | 5:43 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 18 | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 20 | 21 | 19 | 18 | 19 | 18 | 20 | 22 | 24 | 22 | 20 | 20 | 20 | 19 | 19 |
Feels °C | 12 | 13 | 12 | 12 | 12 | 11 | 12 | 12 | 14 | 19 | 20 | 17 | 16 | 16 | 15 | 16 | 19 | 21 | 19 | 18 | 18 | 19 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SSE 7 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SW 12 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 15 | SW 15 | SW 14 |
| kJ | 1279 | 1126 | 908 | 721 | 711 | 700 | 555 | 392 | 386 | 278 | 79 | 390 | 503 | 444 | 349 | 280 | 164 | 234 | 125 | 119 | 119 | 223 | 424 | 440 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SW 20 | SSW 18 | SSW 17 | S 7 | SSW 15 | SW 12 | SSE 6 | SSW 18 | SSW 18 | SW 18 | SSW 16 | S 10 | SW 16 | S 9 | S 9 | S 9 | SW 11 | S 9 | S 8 |
| kJ | — | — | — | — | — | 15 | 61 | 108 | 70 | 193 | 278 | 52 | 31 | 31 | 12 | 26 | 90 | 65 | 57 | 56 | 55 | 72 | 37 | 21 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 18 | — | SSW 16 | SW 15 | SSW 15 | SW 18 | SW 18 | SW 18 | WSW 11 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | S 9 | ESE 7 | — |
| kJ | — | — | — | — | — | — | 150 | — | 146 | 424 | 188 | 13 | 49 | 49 | 24 | 91 | 66 | 66 | 62 | 55 | 107 | 37 | 5 | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SE 4 | SSE 4 | SE 4 | SE 4 | SSE 5 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SE 6 | SE 6 | SE 6 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 28 | 24 | 29 | 33 | 35 | 61 | 91 | 100 | 31 | 96 | 212 | 170 | 112 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 36 | 83 | 21 | 21 | 21 | 21 | 12 | 16 | 12 | 16 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 10 | 12 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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