Surf Forecasts:
How big are the waves at Arniston today (27 Jul):
- Morning surf: Morning surf (27 Jul, local time) - 4.5ft (1.3m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (27 Jul, local time) - 5.5ft (1.7m), 17s period with SSW swell.
- Evening surf: Evening surf (27 Jul, local time) - 6ft (1.9m), 16s period with SSW swell.
The current surf forecast for Arniston at 10AM is: 1.7m 17s primary swell from a South-southwest direction and 0.9m 16s secondary swell from a South-southwest direction, 1.3m 5s secondary swell from a South direction (forecast issued at 01:00am July 27). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jul) | 4.5ft (1.3m) | 13s |
| Afternoon (27 Jul) | 5.5ft (1.7m) | 17s |
| Evening (27 Jul) | 6ft (1.9m) | 16s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 16°C on Wed night, min 13°C on Wed morning). Winds decreasing (fresh winds from the ESE on Tue afternoon, light winds from the N by Wed night). | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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) | SSW 12 | SSW 12 | SSW 13 | SSW 17 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 473 | 543 | 578 | 1728 | 1753 | 1728 | 1750 | 1684 | 1450 | 1177 | 1161 | 1257 | 1223 | 1083 | 892 | 754 | 722 | 586 | 514 | 529 | 497 | 490 | 572 | 490 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:01AM1.54m | 2:32PM1.56m | 2:35AM1.63m | 3:03PM1.67m | 3:07AM1.71m | 3:33PM1.76m | ||||||||||||||||||
Low Tide | 8:25AM0.38m | 8:38PM0.47m | 8:54AM0.28m | 9:09PM0.38m | 9:22AM0.20m | 9:39PM0.31m | ||||||||||||||||||
 |  |  |  | | | | |  | |  | | |  | | | | | | | | | | | |
 | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 15 | 15 | 16 | 15 |
Feels °C | 11 | 13 | 14 | 7 | 7 | 7 | 9 | 9 | 8 | 9 | 8 | 7 | 6 | 8 | 8 | 8 | 8 | 8 | 6 | 8 | 9 | 9 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 13 | SSW 17 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 473 | 543 | 578 | 1728 | 1753 | 1728 | 1750 | 1684 | 1450 | 1177 | 1161 | 1257 | 1223 | 1083 | 892 | 754 | 722 | 586 | 514 | 529 | 497 | 490 | 572 | 490 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | — | SSW 18 | — | — | — | — | — | — | — | S 7 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 |
| kJ | 201 | 429 | 446 | — | 1093 | — | — | — | — | — | — | — | 112 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 9 | SSW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 12 | — |
| kJ | 9 | 8 | 78 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | — | — | S 5 | S 7 | S 9 | SSE 9 | SSE 8 | SSE 8 | SE 8 | SE 7 | SE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 8 | — | — | 95 | 431 | 660 | 632 | 521 | 403 | 418 | 361 | 275 | 176 | 279 | 329 | 363 | 377 | 335 | 289 | 229 | 202 | 206 | 233 | 262 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 135 | 0 | 0 | 105 | 296 | 139 | 733 | 192 | 144 | 81 | 81 | 184 | 184 | 184 | 139 | 139 | 139 | 81 | 81 | 93 | 83 | 76 | 76 | 76 |
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