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Grunters Surf Forecast
/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Grunters surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 7 am Monday 18 May 2026 AWSTForecast update in hr min s Forecast update imminent
Grunters surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grunters sea temperature is
21.1° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Grunters today?
The current surf forecast for Grunters at 4PM is: 2.2m 11s primary swell from a Southwest direction and 1.2m 17s secondary swell from a West-southwest direction (forecast issued at 07:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.6m) | 12s |
| Afternoon (18 May) | 7ft (2.2m) | 11s |
| Evening (18 May) | 7ft (2.2m) | 11s |
Table - waves today at Grunters. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Wed morning, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | |
1017 | 710 | 1130 | 1130 | 1151 | 1242 | 1226 | 1305 | 1273 | 1479 | 1634 | 1488 | 2667 | 2667 | 2541 | 2541 | 2233 | 2250 | 2037 | 1805 | 1672 | 2064 | 2310 | 2689 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | glassy | cross-on | cross-on | cross | cross-off | cross-off | off | off | cross | cross-on | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross | |
High Tide | 9:59AM0.87m | 10:35AM0.86m | 11:10AM0.81m | |||||||||||||||||||||
Low Tide | 8:46PM-0.04m | 10:10PM-0.04m | 11:22PM-0.01m | |||||||||||||||||||||
 |  | |  |  |  | | | | | | | | | | | | | | | |  | | | |
 | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:09 |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | 5:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 17 | 18 | 17 | 17 | 15 | 14 | 14 | 14 | 16 | 17 | 18 | 17 | 17 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 18 | 17 |
15 | 17 | 17 | 16 | 15 | 16 | 14 | 12 | 12 | 12 | 15 | 15 | 18 | 16 | 15 | 17 | 16 | 17 | 19 | 19 | 19 | 20 | 18 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 15 | WSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 |
 kJ | 1017 | 710 | 1130 | 1130 | 1151 | 1242 | 1226 | 1035 | 964 | 831 | 1634 | 1488 | 2667 | 2667 | 2541 | 2541 | 2233 | 2250 | 2037 | 1805 | 1672 | 2064 | 2310 | 2689 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSW 11 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | SW 11 | SW 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | WSW 16 | S 9 | S 9 | — |
| kJ | 158 | 515 | 651 | 659 | 921 | 996 | 1136 | 1305 | 1273 | 1479 | 659 | 595 | 9 | 9 | 8 | 2 | 8 | 7 | 7 | 2 | 208 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | WSW 19 | WSW 18 | — | — | S 14 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | — | — | — | — | — | — | — | S 10 | — | — | — | — |
| kJ | 398 | 596 | — | — | 15 | 14 | 75 | 47 | 45 | 41 | 39 | 38 | — | — | — | — | — | — | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NW 3 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 16 | 16 | 16 | 0 | 0 | 0 | 0 | 7 | 30 | 12 | 0 | 0 | 39 | 39 | 39 | 17 | 17 | 17 | 0 | 0 | 2 |
Best forecast wave conditions in Margaret River | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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