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Gerroa (7 Mile Beach) Surf Forecast
/ NSW – Illawarra (42 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Gerroa (7 Mile Beach) surfForecast / NSW – Illawarra / Australia
12 Day Weather and Surf, issued 3 am Wednesday 17 Sep 2025 AEST
Best Forecast Surf Conditions for Gerroa (7 Mile Beach) this week:
The surf forecast for Gerroa (7 Mile Beach) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 17) at 10PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Gerroa (7 Mile Beach) in the next 12 days are 2.5m 8s and forecast to arrive on Tuesday (Sep 23) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Friday (Sep 19) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 17th Sep) | 2.5ft (0.7m) 8s |
| Best Surf | 4AM (Thu 18th Sep) | 6ft (1.9m) 6s |
| Most Powerful | 4AM (Tue 23rd Sep) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Gerroa (7 Mile Beach) over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 23°C on Fri morning, min 11°C on Wed night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Mon night. Warm (max 21°C on Mon morning, min 8°C on Sat night). Winds decreasing (fresh winds from the WSW on Sat morning, calm by Sun morning). | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 11 | 8 | 7 | 10 | 9 | 6 | 6 | 7 | 7 | 11 | 8 | 11 | 10 | 10 | 16 | 7 | 8 | 8 | 7 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 138 | 101 | 82 | 176 | 86 | 94 | 57 | 87 | 105 | 75 | 35 | 379 | 93 | 84 | 72 | 72 | 45 | 401 | 599 | 583 | 360 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | glass | cross | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | glass | cross | cross- off | cross- off | cross- off | cross- on | cross | cross- on | cross |
High Tide / height (m) | 4:54PM 1.44 | 5:55AM 1.06 | 5:48PM 1.47 | 6:38AM 1.14 | 6:34PM 1.48 | 7:14AM 1.21 | 7:15PM 1.47 | 7:48AM 1.28 | 7:53PM 1.43 | 8:19AM 1.33 | 8:29PM 1.37 | 8:51AM 1.37 | 9:05PM 1.29 | ||||||||
Low Tide / height (m) | 10:22AM 0.48 | 11:49PM 0.20 | 11:24AM 0.42 | 12:32AM 0.17 | 12:15PM 0.36 | 1:09AM 0.15 | 1:01PM 0.31 | 1:41AM 0.15 | 1:42PM 0.27 | 2:11AM 0.17 | 2:22PM 0.24 | 2:39AM 0.21 | 3:01PM 0.24 | 3:07AM 0.26 | |||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
| Sunrise | 5:54 | - | - | 5:52 | - | - | 5:52 | - | - | 5:50 | - | - | 5:48 | - | - | 5:47 | - | - | 5:46 | - | - |
| Sunset | - | 5:47 | - | - | 5:49 | - | - | 5:50 | - | - | 5:51 | - | - | 5:51 | - | - | 5:52 | - | - | 5:52 | - |
 | |  | | |  |  | | | | | | | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 | - | - | - |
| Temp. °C | 20 | 20 | 14 | 17 | 17 | 15 | 23 | 21 | 19 | 17 | 16 | 10 | 16 | 17 | 14 | 21 | 20 | 14 | 13 | 14 | 11 |
| Feels °C (?) | 15 | 15 | 9 | 14 | 13 | 13 | 20 | 18 | 17 | 11 | 9 | 5 | 12 | 14 | 10 | 17 | 15 | 11 | 6 | 7 | 5 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for NSW - Illawarra
The wind is still cross-off at Gerroa (7 Mile Beach) (light winds from the WNW at Kiama (Bombo Headland) 15 km from Gerroa (7 Mile Beach)). A 1.1m swell from the NE
Actual: 47 min ago
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Information about the Gerroa (7 Mile Beach) Surf forecast
The above surf forecast table for Gerroa (7 Mile Beach) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Gerroa (7 Mile Beach) can be found by selecting the local surf guide option on the grey menu. Our Gerroa (7 Mile Beach) 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 (Gerroa (7 Mile Beach)) 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 Gerroa (7 Mile Beach) 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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