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Goat Island/Mokuauia Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Goat Island/Mokuauia surfForecast / HAW – Oahu / USA
12 Day Weather and Surf, issued 1 am Friday 29 Aug 2025 HST
Best Forecast Surf Conditions for Goat Island/Mokuauia this week:
The most powerful waves expected at Goat Island/Mokuauia in the next 12 days are 1.0m 13s and forecast to arrive on Tuesday (Sep 02) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (Sep 05) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Tue 2nd Sep) | 3.5ft (1.0m) 13s |
Table - best surf conditions forecast for Goat Island/Mokuauia over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 27°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||
| 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) (?) | 7 | 7 | 5 | 7 | 7 | 9 | 9 | 8 | 8 | 8 | 12 | 10 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 104 | 75 | 42 | 51 | 69 | 78 | 99 | 100 | 119 | 116 | 169 | 406 | 540 | 522 | 499 | 336 | 304 | 245 | 177 | 189 | 139 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross | cross |
High Tide / height (m) | 3:07PM 0.47 | 9:59AM 0.52 | 11:18AM 0.58 | 11:57AM 0.63 | 12:26PM 0.68 | 10:17PM 0.30 | 12:51PM 0.72 | 11:18PM 0.35 | 1:14PM 0.76 | 12:02AM 0.41 | |||||||||||
Low Tide / height (m) | 11:51AM 0.33 | 11:18PM 0.09 | 12:10AM 0.10 | 1:57AM 0.11 | 3:38AM 0.08 | 8:01PM 4:39AM 0.22 0.04 | 7:29PM 0.21 | 5:24AM 0.00 | 7:31PM 0.20 | ||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||
| Sunrise | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:13 | - | - | 6:15 | - | - | 6:15 | - | - | 6:15 | - | - |
| Sunset | - | 6:50 | - | - | 6:50 | - | - | 6:49 | - | - | 6:47 | - | - | 6:46 | - | - | 6:45 | - | - | 6:45 | - |
 | |  | | |  | |  | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 26 | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 25 |
| Feels °C (?) | 24 | 26 | 24 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 24 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 24 |
- Map Icons:
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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 HAW - Oahu
Continuing clean conditions at Goat Island/Mokuauia (light winds from the ESE at Wheeler Air Force Base/oahu Airport 24 km from Goat Island/Mokuauia). 1.0m 7s swell from the E with a 0.3m 8s swell from the N. 2 swells combining to make bigger set waves.
24 km away, 2 h 8 min ago
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 Goat Island/Mokuauia 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 Goat Island/Mokuauia Surf forecast
The above surf forecast table for Goat Island/Mokuauia provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Goat Island/Mokuauia can be found by selecting the local surf guide option on the grey menu. Our Goat Island/Mokuauia 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 (Goat Island/Mokuauia) 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 Goat Island/Mokuauia 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.
Goat Island/Mokuauia is 21 km (13 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.
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