Surf Forecasts:
How big are the waves at Dias Beach today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4.5ft (1.4m), 9s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.0m), 13s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 5.5ft (1.7m), 12s period with SW swell.
The current surf forecast for Dias Beach at 6AM is: 1.2m 10s primary swell from a Southwest direction and 0.7m 12s secondary swell from a South direction (forecast issued at 01:00am July 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4.5ft (1.4m) | 9s |
| Afternoon (18 Jul) | 3.5ft (1.0m) | 13s |
| Evening (18 Jul) | 5.5ft (1.7m) | 12s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Very mild (max 17°C on Sat afternoon, min 14°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 10 | SW 10 | SW 9 | SW 9 | WSW 9 | SW 13 | SW 13 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 9 | SW 11 | SW 11 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 10 | SW 10 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 369 | 262 | 307 | 373 | 395 | 352 | 987 | 736 | 700 | 782 | 802 | 874 | 944 | 660 | 1121 | 1176 | 951 | 800 | 612 | 281 | 262 | 173 | 128 | 330 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | on | glassy | glassy | glassy | glassy | cross-off | cross-on | cross-on | cross-on | glassy |
High Tide | 5:54AM1.39m | 6:19PM1.52m | 6:36AM1.28m | 7:00PM1.42m | 7:21AM1.17m | 7:44PM1.31m | ||||||||||||||||||
Low Tide | 11:55PM0.16m | 12:00PM0.15m | 00:39AM0.24m | 12:39PM0.27m | 1:24AM0.34m | 1:20PM0.39m | ||||||||||||||||||
 |  |  | |  | |  | | | | |  |  | | | | | | | | | | | | |
 | — | 7:48 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 13 | 14 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 9 | SW 9 | WSW 9 | WSW 9 | SW 13 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | W 10 | SW 9 | SW 11 | SW 11 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SSW 8 | SSW 8 |
| kJ | 369 | 262 | 307 | 373 | 395 | 300 | 987 | 736 | 700 | 782 | 802 | 874 | 138 | 660 | 1121 | 1176 | 951 | 800 | 612 | 281 | 262 | 151 | 109 | 88 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | SW 14 | SW 13 | SW 13 | S 10 | W 11 | W 11 | W 11 | W 11 | W 11 | S 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 11 | SE 9 | SW 10 | SE 11 | SSW 16 |
| kJ | 78 | 144 | 224 | 187 | 335 | 352 | 133 | 198 | 191 | 188 | 149 | 143 | 51 | 73 | 96 | 94 | 94 | 69 | 118 | 194 | 88 | 173 | 128 | 330 |
Swell 3 Height (m) Direction Period (s) | SW 16 | WSW 9 | SW 14 | S 11 | S 11 | S 11 | W 12 | S 10 | SSE 11 | SSE 11 | SSE 11 | S 10 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 10 | ESE 10 | SE 9 | W 10 | W 10 | W 10 | SW 10 | SE 11 |
| kJ | 39 | 64 | 164 | 112 | 112 | 188 | 132 | 133 | 153 | 153 | 117 | 75 | 41 | 41 | 41 | 41 | 63 | 63 | 71 | 123 | 92 | 90 | 127 | 126 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 11 | NNW 3 | NW 4 | NNW 4 | NNW 4 | SW 11 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 348 | 2 | 14 | 8 | 13 | 944 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 7 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 7 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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