Surf Forecasts:
Goat Island/Mokuauia surf forecast from 2 Nov 2026:
- Best quality surf: Tuesday 17 Nov, 5AM (local time) - 5.5ft (1.7m), 15s period, NW swell with glassy winds.
- Most powerful swell: Saturday 14 Nov, 5AM (local time) - 11ft (3.5m), 17s period, NNW swell with 6,387 kJ wave energy.
- Next surfable swell (1★+): Tuesday 17 Nov, 5AM (local time) - 5.5ft (1.7m), 15s period with NW swell.
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 Tuesday (Nov 17) at 5AM. The primary swell is predicted to be 1.7m and 15s period with a secondary swell of 1.0m and 11s. Another secondary swell of 1.0m and 7s is also forecast. 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 3.5m 17s and forecast to arrive on Saturday (Nov 14) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Tuesday (Nov 10) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 17th Nov) | 5.5ft (1.7m) 15s |
| Best Surf | 5AM (Tue 17th Nov) | 5.5ft (1.7m) 15s |
| Most Powerful | 5AM (Sat 14th Nov) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Goat Island/Mokuauia over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Warm (max 25°C on Mon night, min 24°C on Mon morning). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Thu night. Warm (max 25°C on Thu morning, min 24°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||
Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 12 | ENE 8 | ENE 7 | ENE 8 | NNW 19 | NNW 16 | NNW 16 | NW 15 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2243 | 1759 | 1349 | 958 | 727 | 616 | 559 | 468 | 3195 | 3726 | 3196 | 1956 | 1447 | 1193 | 1045 | 1014 | 908 | 734 | 674 | 705 | 745 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:48AM0.69m | 10:42PM0.34m | 10:30AM0.66m | 11:39PM0.45m | 11:01AM0.63m | 00:23AM0.55m | 11:24AM0.58m | 1:01AM0.64m | 11:41AM0.54m | 1:35AM0.70m | 11:56AM0.49m | 2:08AM0.74m | 12:11PM0.46m | 2:40AM0.76m | |||||||
Low Tide | 5:19PM0.14m | 3:09AM0.16m | 5:24PM0.10m | 4:28AM0.18m | 5:36PM0.06m | 5:31AM0.20m | 5:51PM0.02m | 6:25AM0.22m | 6:08PM-0.02m | 7:13AM0.24m | 6:27PM-0.05m | 7:59AM0.25m | 6:49PM-0.06m | ||||||||
 | |  |  | | | | | | | | | | | | | |  |  | | | |
 | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — |
 | — | 5:53 | — | — | 5:53 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:51 | — |
mm | — | — | 1 | 2 | 2 | 4 | 1 | 1 | 1 | — | — | 2 | — | 1 | 4 | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 20 | 20 | 21 | 21 | 21 | 20 | 22 | 22 | 23 | 22 | 22 | 21 | 23 | 23 | 21 | 21 | 22 | 21 | 22 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 19 | NNW 16 | NNW 16 | NW 15 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 |
| kJ | 2243 | 1759 | 1349 | 958 | 727 | 469 | 268 | 214 | 3195 | 3726 | 3196 | 1956 | 1447 | 1193 | 1045 | 1014 | 908 | 734 | 674 | 705 | 745 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SW 14 | SSW 14 | SW 14 | NW 18 | NNW 15 | NW 14 | NNW 12 | NW 11 | SW 16 | SW 16 | SW 15 | SW 15 | ESE 12 | NNW 16 | SSW 14 | SSW 13 | S 13 | S 13 | S 12 |
| kJ | 19 | 18 | 8 | 18 | 8 | 79 | 193 | 186 | 294 | 119 | 64 | 62 | 56 | 55 | 138 | 147 | 18 | 17 | 13 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | S 12 | — | S 13 | S 12 | NW 20 | SW 14 | SSW 18 | NNW 21 | SSW 17 | SW 16 | SSW 16 | W 15 | W 14 | W 13 | SW 14 | SSW 14 | — | SSW 13 | SW 13 | SW 13 | SW 12 |
| kJ | 3 | — | 3 | 11 | 15 | 8 | 31 | 404 | 59 | 65 | 25 | 17 | 16 | 14 | 54 | 20 | — | 17 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | E 8 | E 9 | ENE 10 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 7 | E 7 |
| kJ | 713 | 622 | 546 | 558 | 657 | 616 | 559 | 468 | 359 | 498 | 672 | 657 | 548 | 777 | 914 | 517 | 420 | 592 | 645 | 332 | 315 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 154 | 37 | 36 | 37 | 153 | 37 | 153 | 36 | 37 | 156 | 37 | 36 | 36 | 153 | 36 | 153 | 154 | 37 | 37 | 181 | 37 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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