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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
16 Day Weather and Surf, issued 7 pm Wednesday 08 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Goat Island/Mokuauia surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Goat Island/Mokuauia sea temperature is
23.8° C
(Which is slightly cooler than normal)Best Forecast Surf Conditions for Goat Island/Mokuauia this week:
The surf forecast for Goat Island/Mokuauia over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 11) at 11AM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 1.2m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Goat Island/Mokuauia in the next 16 days are 1.6m 11s and forecast to arrive on Monday (Apr 13) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 8s period and expected on Thursday (Apr 09) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Sat 11th Apr) | 4.5ft (1.4m) 11s |
| Best Surf | 11AM (Sat 11th Apr) | 4.5ft (1.4m) 11s |
| Most Powerful | 2AM (Mon 13th Apr) | 5ft (1.6m) 11s |
Table - best surf conditions forecast for Goat Island/Mokuauia over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 59mm), heaviest during Fri morning. Warm (max 24°C on Wed night, min 21°C on Fri morning). Winds decreasing (fresh winds from the S on Thu night, calm by Sat morning). | Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Sun night. Warm (max 24°C on Tue afternoon, min 21°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wed 15 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 8 | 8 | 8 | 8 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 503 | 349 | 171 | 118 | 294 | 302 | 277 | 439 | 445 | 355 | 311 | 362 | 589 | 414 | 337 | 246 | 154 | 142 | 220 | 163 | 136 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross | cross | glass | glass | glass | glass | glass | cross- on | glass | glass | cross | cross | cross- off | cross | cross | cross | |
High Tide / height (m) | 9:24PM 0.47 | 10:39PM 0.50 | 11:16PM 0.54 | 10:52AM 0.20 | 11:41PM 0.56 | 11:34AM 0.28 | 12:01AM 0.57 | 12:12PM 0.37 | 12:19AM 0.56 | 12:49PM 0.47 | 12:37AM 0.54 | 1:29PM 0.57 | ||||||||||
Low Tide / height (m) | 11:12AM 0.05 | 1:52PM 0.07 | 6:54AM 0.12 | 3:40PM 0.06 | 6:22AM 0.10 | 4:43PM 0.05 | 6:21AM 0.06 | 5:33PM 0.05 | 6:31AM 0.01 | 6:20PM 0.06 | 6:49AM -0.04 | 7:08PM 0.09 | ||||||||||
Thursday 09 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wed 15 | ||||||||||||||||
| Sunrise | - | 6:16 | - | - | 6:16 | - | - | 6:15 | - | - | 6:15 | - | - | 6:13 | - | - | 6:13 | - | - | 6:11 | - | |
| Sunset | - | - | 6:49 | - | - | 6:49 | - | - | 6:49 | - | - | 6:50 | - | - | 6:50 | - | - | 6:50 | - | - | 6:51 | |
 |  | |  |  | |  |  |  |  | |  |  | | |  | | |  | | | ||
Rain (mm) | 4 | 3 | 5 | 14 | 32 | 1 | - | - | - | 2 | 1 | - | 6 | - | 1 | - | - | - | - | - | - | |
| Temp. °C | 24 | 23 | 23 | 22 | 23 | 24 | 23 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | |
| Feels °C (?) | 25 | 19 | 20 | 19 | 21 | 24 | 24 | 26 | 26 | 25 | 25 | 25 | 23 | 25 | 25 | 25 | 24 | 25 | 24 | 25 | 24 | |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 16 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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