Surf Forecasts:
Greenough River Mouth surf forecast from 11 Jun 2026:
- Best quality surf: Friday 12 Jun, 2AM (local time) - 10ft (3.0m), 18s period, SW swell with cross-shore winds.
- Most powerful swell: Friday 12 Jun, 2AM (local time) - 10ft (3.0m), 18s period, SW swell with 5,921 kJ wave energy.
- Next surfable swell (1★+): Friday 12 Jun, 2AM (local time) - 10ft (3.0m), 18s period with SW swell.
Best Forecast Surf Conditions for Greenough River Mouth this week:
The surf forecast for Greenough River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jun 12) at 2AM. The primary swell is predicted to be 3.0m and 18s period with a secondary swell of 3.0m and 18s. Another secondary swell of 0.4m and 7s is also forecast. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Greenough River Mouth in the next 16 days are 3.0m 18s and forecast to arrive on Friday (Jun 12) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Jun 19) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 12th Jun) | 10ft (3.0m) 18s |
| Best Surf | 2AM (Fri 12th Jun) | 10ft (3.0m) 18s |
| Most Powerful | 2AM (Fri 12th Jun) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for Greenough River Mouth over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Very mild (max 19°C on Thu night, min 14°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Sun night. Very mild (max 18°C on Mon morning, min 12°C on Tue night). Winds increasing (light winds from the W on Sun night, fresh winds from the S by Mon afternoon). | ||||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SSW 14 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5921 | 4764 | 3182 | 2341 | 1736 | 1443 | 755 | 424 | 416 | 624 | 3311 | 2717 | 1970 | 1346 | 1012 | 808 | 560 | 644 | 197 | 732 | 1052 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | off | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross-off |
High Tide | 6:39AM1.05m | 7:35AM1.11m | 8:33AM1.16m | 9:27AM1.18m | 10:18AM1.18m | 11:06AM1.14m | 11:51AM1.08m | ||||||||||||||
Low Tide | 3:38PM0.44m | 4:28PM0.36m | 5:20PM0.31m | 6:15PM0.29m | 7:15PM0.30m | 8:20PM0.33m | |||||||||||||||
 |  | |  |  | |  | | |  |  | | | | | | | | | | | |
 | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — |
 | 5:30 | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 |
mm | 4 | — | — | — | — | — | — | — | — | 4 | 4 | 2 | 2 | 1 | — | — | — | — | 2 | — | — |
Temp °C | 19 | 19 | 18 | 17 | 16 | 17 | 17 | 17 | 18 | 17 | 18 | 17 | 15 | 14 | 15 | 15 | 14 | 16 | 15 | 14 | 16 |
Feels °C | 16 | 14 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 16 | 13 | 10 | 10 | 10 | 9 | 11 | 12 | 11 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SSW 12 | SSW 12 | SW 24 | SW 12 | SSW 14 | SW 16 |
| kJ | 4728 | 4764 | 3182 | 2341 | 1736 | 1443 | 755 | 424 | 416 | 624 | 3311 | 2717 | 1970 | 1346 | 1012 | 808 | 560 | 22 | 197 | 732 | 1052 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | — | — | — | — | SW 20 | SW 19 | SW 18 | — | — | — | — | — | — | — | — | SW 21 | SW 18 | S 7 |
| kJ | 18 | 19 | 16 | — | — | — | — | 15 | 15 | 528 | — | — | — | — | — | — | — | — | 154 | 528 | 68 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SSW 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 56 | — |
Wind waves Height (m) Direction Period (s) | SW 18 | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 12 | S 8 | ESE 4 | — |
| kJ | 5921 | 3888 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 644 | 169 | 5 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 551 | 503 | 520 | 0 | 0 | 0 | 0 | 0 | 503 | 134 | 0 | 503 | 11 | 11 | 503 | 0 | 0 | 134 | 0 | 11 | 290 |
Best forecast wave conditions in North West WA | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Greenough River Mouth Surf forecast
The above surf forecast table for Greenough River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Greenough River Mouth can be found by selecting the local surf guide option on the grey menu. Our Greenough River Mouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Greenough River Mouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Greenough River Mouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
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