Surf Forecasts:
How big are the waves at Grunters today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 4.5ft (1.3m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 5.5ft (1.7m), 17s period with WSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 7ft (2.1m), 16s period with WSW swell.
The current surf forecast for Grunters at 5AM is: 1.6m 12s primary swell from a West-southwest direction and 0.9m 16s secondary swell from a West-southwest direction (forecast issued at 01:00am September 18). An open ocean swell of 0.9m 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 Sep) | 4.5ft (1.3m) | 16s |
| Afternoon (18 Sep) | 5.5ft (1.7m) | 17s |
| Evening (18 Sep) | 7ft (2.1m) | 16s |
Table - waves today at Grunters. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Fri night. Warm (max 21°C on Fri afternoon, min 11°C on Sun night). Winds decreasing (near gales from the WNW on Sat morning, light winds from the N by Sun night). | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 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) | WSW 12 | WSW 12 | WSW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | NW 10 | WNW 12 | W 12 | W 13 | W 13 | W 12 | WSW 12 | W 13 | WSW 13 | WSW 12 | WSW 12 | SW 13 | SW 13 | SW 16 | SW 16 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 636 | 703 | 788 | 1626 | 1796 | 1975 | 2058 | 2479 | 4448 | 13658 | 15708 | 16501 | 12259 | 8012 | 5627 | 2731 | 3950 | 3060 | 2863 | 3028 | 3415 | 5855 | 6791 | 7291 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-off | cross | cross | cross-off | cross-off |
High Tide | 11:47PM0.65m | 00:26AM0.63m | 4:40AM0.60m | |||||||||||||||||||||
Low Tide | 2:32PM0.12m | 2:55PM0.10m | 3:14PM0.10m | |||||||||||||||||||||
 | |  | |  |  |  | | | | | | | |  | | |  |  | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 16 | 20 | 21 | 16 | 15 | 14 | 15 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 15 | 16 | 13 | 12 |
Feels °C | 14 | 12 | 13 | 16 | 16 | 10 | 8 | 5 | 5 | 3 | 3 | 5 | 7 | 9 | 11 | 11 | 11 | 10 | 12 | 10 | 11 | 12 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | — | — | — | — | WSW 12 | W 13 | WSW 13 | WSW 12 | WSW 12 | SW 13 | SW 13 | SW 16 | SW 16 | SW 15 |
| kJ | 636 | 703 | 669 | 1626 | 1796 | 1975 | 2058 | 2479 | 2582 | 3009 | — | — | — | — | 5627 | 2731 | 3950 | 3060 | 2863 | 3028 | 3415 | 5855 | 6791 | 7291 |
Swell 2 Height (m) Direction Period (s) | SW 16 | WSW 16 | WSW 16 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | SSW 16 | SW 16 | — | — | — | — | — | — |
| kJ | 502 | 458 | 788 | 404 | 464 | — | — | — | — | — | — | — | — | — | — | — | 104 | 211 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SW 12 | — | S 10 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 86 | — | 2 | 38 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NNW 4 | N 5 | N 5 | N 6 | WNW 7 | WNW 9 | NW 8 | NW 10 | WNW 12 | W 12 | W 13 | W 13 | W 12 | — | SW 10 | WSW 9 | — | — | — | — | — | — | — |
| kJ | 17 | 25 | 51 | 102 | 136 | 575 | 1342 | 1208 | 4448 | 13658 | 15708 | 16501 | 12259 | 8012 | — | 1422 | 270 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 39 | 29 | 29 | 132 | 132 | 132 | 191 | 191 | 407 | 472 | 628 | 1354 | 1896 | 1795 | 1795 | 354 | 17 | 17 | 16 | 13 | 16 | 16 | 16 | 0 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
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