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Flat Rocks Beach (WA) Surf Forecast
/ WA – North West (27 breaks) / Western Australia (159 breaks) /
Surf Forecasts:
Flat Rocks Beach (WA) surfForecast / WA – North West / Australia
12 Day Weather and Surf, issued 1 pm Sunday 28 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Flat Rocks Beach (WA) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Flat Rocks Beach (WA) sea temperature is
23.7° C
(Which is 1.9°C warmer than normal for this time of year)Best Forecast Surf Conditions for Flat Rocks Beach (WA) this week:
The surf forecast for Flat Rocks Beach (WA) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 31) at 11AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.8m and 7s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Flat Rocks Beach (WA) in the next 12 days are 2.1m 18s and forecast to arrive on Thursday (Jan 01) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Dec 30) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Wed 31st Dec) | 3ft (0.9m) 12s |
| Best Surf | 11AM (Wed 31st Dec) | 3ft (0.9m) 12s |
| Most Powerful | 8PM (Thu 1st Jan) | 7ft (2.1m) 18s |
Table - best surf conditions forecast for Flat Rocks Beach (WA) over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Warm (max 34°C on Wed morning, min 19°C on Sun night). Winds decreasing (near gales from the S on Sun night, light winds from the E by Wed morning). | Days 3-6 Weather Summary Mostly dry. Warm (max 31°C on Wed afternoon, min 20°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||
Sun 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 7 | 9 | 10 | 8 | 9 | 13 | 13 | 8 | 12 | 11 | 6 | 21 | 19 | 16 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 778 | 1039 | 688 | 1204 | 705 | 437 | 995 | 240 | 202 | 718 | 143 | 113 | 2647 | 931 | 868 | 1576 | 648 | 1094 | 1226 | 244 | 636 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | cross- on | cross- off | cross- off | cross | cross- off | off | cross | cross | on | cross- on | cross | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- on | ||
High Tide / height (m) | 4:48PM 0.56 | 5:18PM 0.63 | 5:57PM 0.70 | 6:43PM 0.76 | 7:34PM 0.81 | 8:27PM 0.84 | 9:18PM 0.84 | ||||||||||||||||
Low Tide / height (m) | 7:25AM 0.23 | 3:14AM 0.16 | 3:44AM 0.05 | 4:26AM -0.03 | 5:11AM -0.08 | 5:57AM -0.08 | 6:41AM -0.06 | ||||||||||||||||
Sun 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||
| Sunrise | - | - | 5:22 | - | - | 5:22 | - | - | 5:24 | - | - | 5:24 | - | - | 5:24 | - | - | 5:26 | - | - | 5:26 | ||
| Sunset | 7:21 | - | - | 7:22 | - | - | 7:22 | - | - | 7:22 | - | - | 7:22 | - | - | 7:22 | - | - | 7:22 | - | - | ||
 |  | | | | | | | | | |  | | | | | | | | | | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 22 | 20 | 25 | 23 | 27 | 31 | 33 | 27 | 34 | 31 | 25 | 26 | 24 | 22 | 22 | 22 | 21 | 22 | 23 | 21 | 25 | ||
| Feels °C (?) | 15 | 12 | 19 | 16 | 20 | 25 | 27 | 22 | 30 | 25 | 21 | 25 | 21 | 18 | 20 | 19 | 18 | 22 | 21 | 18 | 22 | ||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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Information about the Flat Rocks Beach (WA) Surf forecast
The above surf forecast table for Flat Rocks Beach (WA) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Flat Rocks Beach (WA) can be found by selecting the local surf guide option on the grey menu. Our Flat Rocks Beach (WA) 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 (Flat Rocks Beach (WA)) 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 Flat Rocks Beach (WA) 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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