Surf Forecasts:
How big are the waves at Twelve Mile Beach today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2ft (0.6m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 19s period with SSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 4.5ft (1.4m), 13s period with SW swell.
The current surf forecast for Twelve Mile Beach at 4AM is: 0.4m 12s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a South-southwest direction (forecast issued at 01:00am July 18). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 2ft (0.6m) | 14s |
| Afternoon (18 Jul) | 2ft (0.6m) | 19s |
| Evening (18 Jul) | 4.5ft (1.4m) | 13s |
Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Very mild (max 19°C on Sat afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the WNW on Sat morning, calm by Sun night). | ||||||||||||||||||||||||
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) | SSW 12 | SSW 12 | SSW 14 | SSW 14 | SSW 19 | WSW 11 | SW 13 | SW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 123 | 56 | 81 | 166 | 248 | 425 | 643 | 1042 | 1384 | 1044 | 1001 | 883 | 740 | 656 | 874 | 955 | 1068 | 1208 | 1026 | 934 | 826 | 894 | 757 | 628 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | on | glassy | glassy | glassy | off | off | cross-off | on | on | cross-off | cross-off |
High Tide | 1:22AM0.33m | 12:33PM0.67m | 1:22AM0.41m | 12:23PM0.57m | 1:41AM0.48m | 11:55AM0.51m | ||||||||||||||||||
Low Tide | 5:25AM0.28m | 7:55PM0.23m | 6:06AM0.33m | 7:27PM0.24m | 6:47AM0.39m | 7:00PM0.21m | ||||||||||||||||||
 | |  | |  | | |  | | |  | | |  | | | | | | | | |  | | |
 | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:09 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 17 | 18 | 19 | 16 | 15 | 14 | 14 | 15 | 14 | 16 | 17 | 17 | 16 | 15 | 14 | 14 | 13 | 15 | 16 | 16 | 16 | 14 |
Feels °C | 10 | 12 | 12 | 11 | 12 | 10 | 9 | 8 | 9 | 9 | 9 | 10 | 12 | 14 | 14 | 13 | 13 | 12 | 9 | 12 | 13 | 13 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 10 | SSW 14 | SSW 14 | SSW 13 | SSW 18 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 12 |
| kJ | 123 | 37 | 81 | 166 | 156 | 404 | 643 | 609 | 1384 | 1044 | 1001 | 883 | 740 | 656 | 874 | 955 | 1068 | 1208 | 1026 | 934 | 826 | 894 | 757 | 628 |
Swell 2 Height (m) Direction Period (s) | S 23 | SSW 12 | SSW 10 | SSW 20 | SSW 19 | SSW 13 | SSW 18 | SSW 17 | S 9 | — | — | SSE 9 | SE 19 | SE 19 | SE 18 | SE 18 | SE 18 | SE 18 | SE 18 | SE 18 | SE 18 | SE 18 | S 17 | S 18 |
| kJ | 10 | 56 | 38 | 149 | 248 | 111 | 486 | 469 | 6 | — | — | 7 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | SSW 15 | SSW 21 | S 10 | S 10 | SW 10 | — | — | — | — | — | S 19 | — | — | — | — | — | — | — | — | — | — | — | SSE 17 |
| kJ | — | 42 | 44 | 2 | 17 | 96 | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | 30 |
Wind waves Height (m) Direction Period (s) | NNW 4 | NW 4 | NW 4 | WNW 4 | W 4 | WSW 11 | WNW 4 | SW 12 | — | WNW 3 | — | NW 3 | NW 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 23 | 14 | 10 | 23 | 48 | 425 | 13 | 1042 | — | 4 | — | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 137 | 139 | 260 | 260 | 261 | 1197 | 1103 | 153 | 97 | 97 | 20 | 97 | 97 | 97 | 137 | 97 | 0 | 20 | 20 | 0 | 0 | 0 | 34 | 97 |
Best forecast wave conditions in Far South of Western Australia | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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