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Guilderton Rivermouth Surf Forecast
/ WA – Perth City (29 breaks) / New South Wales (297 breaks) /
Guilderton Rivermouth surfForecast / WA – Perth City / Australia
12 Day Weather and Surf, issued 1 pm Wednesday 02 Jul 2025 AWST
Best Forecast Surf Conditions for Guilderton Rivermouth this week:
The surf forecast for Guilderton Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 03) at 2AM. The primary swell is predicted to be 1.5m and 13s period with a secondary swell of 2.1m and 7s. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Guilderton Rivermouth in the next 12 days are 5.5m 15s and forecast to arrive on Monday (Jul 07) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 3rd Jul) | 5ft (1.5m) 13s |
| Best Surf | 2AM (Fri 4th Jul) | 10ft (3.0m) 9s |
| Most Powerful | 5PM (Mon 7th Jul) | 18ft (5.5m) 15s |
Table - best surf conditions forecast for Guilderton Rivermouth over the next 12 days.
Wed 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Mon 14 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | 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) (?) | 14 | 13 | 13 | 8 | 9 | 10 | 12 | 17 | 16 | 16 | 15 | 14 | 8 | 14 | 13 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 1237 | 1260 | 1268 | 1233 | 1699 | 1018 | 776 | 1134 | 1599 | 1482 | 1072 | 838 | 1403 | 4877 | 9397 | 13442 | 10935 | 8393 | 6859 | 4720 | 3558 | 2845 | 2094 | 1611 | 1320 | 1211 | 1651 | 5781 | 8227 | 5775 | 4700 | 3170 | 1823 | 1334 | 6238 | 8543 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross | cross- off | cross | cross- off | cross- off | cross- on | cross- off | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 4:35AM 0.47 | 4:53AM 0.52 | 5:21AM 0.57 | 5:55AM 0.61 | 6:33AM 0.64 | 7:14AM 0.67 | 7:55AM 0.70 | 8:35AM 0.72 | 9:13AM 0.73 | 9:48AM 0.72 | 10:22AM 0.69 | 10:53AM 0.64 | ||||||||||||||||||||||||
Low Tide / height (m) | 6:52PM 0.23 | 6:32PM 0.21 | 5:51PM 0.19 | 5:05PM 0.16 | 4:53PM 0.12 | 5:01PM 0.09 | 5:20PM 0.06 | 5:43PM 0.04 | 6:10PM 0.04 | 6:35PM 0.04 | 6:58PM 0.06 | 7:15PM 0.09 | ||||||||||||||||||||||||
Wed 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Mon 14 | ||||||||||||||||||||||||
| Sunrise | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:15 |
| Sunset | 5:25 | - | - | 5:25 | - | - | 5:27 | - | - | 5:27 | - | - | 5:27 | - | - | 5:28 | - | - | 5:28 | - | - | 5:29 | - | - | 5:29 | - | - | 5:30 | - | - | 5:30 | - | - | 5:30 | - | - |
 |  |  | |  |  |  |  | | |  | | | |  | |  | | | | | | | | | |  | |  | | | | | | | | |
Rain (mm) | - | 38 | 8 | 3 | 1 | - | - | - | - | - | - | 2 | 2 | 9 | 2 | - | - | - | 1 | 1 | - | - | - | - | 1 | 4 | 11 | 2 | 6 | 2 | 2 | 7 | - | - | - | 3 |
| Temp. °C | 19 | 17 | 18 | 19 | 18 | 15 | 16 | 16 | 13 | 17 | 17 | 19 | 20 | 19 | 14 | 14 | 15 | 16 | 17 | 18 | 17 | 17 | 16 | 15 | 17 | 18 | 17 | 16 | 14 | 16 | 16 | 17 | 15 | 15 | 16 | 17 |
| Feels °C (?) | 17 | 14 | 13 | 13 | 12 | 11 | 12 | 13 | 9 | 13 | 14 | 13 | 13 | 12 | 2 | 6 | 8 | 9 | 10 | 10 | 10 | 11 | 13 | 10 | 11 | 11 | 9 | 5 | 4 | 11 | 10 | 10 | 6 | 10 | 8 | 7 |
Short Range Forecast: Heavy rain (total 50mm), heaviest during Wed night. Very mild (max 19°C on Wed afternoon, min 11°C on Sat morning). Winds increasing (light winds from the NNW on Wed night, fresh winds from the S by Thu night). | Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Sun night. Warm (max 20°C on Sun afternoon, min 13°C on Mon morning). Winds increasing (light winds from the NW on Sat afternoon, near gales from the WSW by Sun night). | Days 6-9 Weather Summary Moderate rain (total 18mm), heaviest on Fri morning. Very mild (max 18°C on Tue night, min 14°C on Wed night). Winds increasing (light winds from the WNW on Wed night, strong winds from the WNW by Fri morning). | Long Range Forecast: Heavy rain (total 23mm), heaviest during Fri night. Very mild (max 17°C on Sat night, min 13°C on Fri night). Winds increasing (light winds from the W on Sun night, near gales from the W by Mon afternoon). | |||||||||||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Guilderton Rivermouth 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.
Information about the Guilderton Rivermouth Surf forecast
The above surf forecast table for Guilderton Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Guilderton Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Guilderton Rivermouth 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 (Guilderton Rivermouth) 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 Guilderton Rivermouth 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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