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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 1 am Saturday 18 Apr 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
20.5° C
(Which is normal for this time of year)How big are the waves at Grunters today?
The current surf forecast for Grunters at 9AM is: 3.5m 11s primary swell from a West-southwest direction and 0.8m 17s secondary swell from a West-southwest direction (forecast issued at 01:00am April 18). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 11ft (3.5m) | 11s |
| Afternoon (18 Apr) | 10ft (3.0m) | 11s |
| Evening (18 Apr) | 8ft (2.5m) | 11s |
Table - waves today at Grunters. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2292 | 3413 | 3832 | 3191 | 2814 | 2460 | 2005 | 1800 | 1628 | 3361 | 3009 | 2898 | 3017 | 3264 | 3028 | 2982 | 2982 | 3201 | 3788 | 4561 | 4542 | 4823 | 3883 | 10979 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross- on |
High Tide / height (m) | 9:49AM 0.73 | 10:11AM 0.78 | 10:37AM 0.81 | |||||||||||||||||||||
Low Tide / height (m) | 6:44PM 0.10 | 8:32PM 0.07 | ||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:51 | - |
 |  | |  |  |  | | |  | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 9 |
| Temp. °C | 17 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 18 | 17 | 18 | 19 | 19 | 19 | 15 |
| Feels °C (?) | 9 | 10 | 10 | 12 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 13 | 14 | 15 | 16 | 14 | 15 | 14 | 14 | 13 | 12 | 11 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grunters surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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