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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
48hr Weather and Surf, issued 1 am Saturday 21 Mar 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
24.3° C
(Which is normal for this time of year)How big are the waves at Goat Island/Mokuauia today?
The current surf forecast for Goat Island/Mokuauia at 4AM is: 1.6m 11s primary swell from a North direction and 0.4m 7s secondary swell from a East-southeast direction, 0.6m 5s secondary swell from a Southwest direction (forecast issued at 01:00am March 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 5.5ft (1.7m) | 11s |
| Afternoon (21 Mar) | 7ft (2.2m) | 12s |
| Evening (21 Mar) | 7.5ft (2.3m) | 11s |
Table - waves today at Goat Island/Mokuauia. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 10 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 14 | 14 | 13 | 9 | 10 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 507 | 566 | 573 | 621 | 879 | 1208 | 1365 | 1230 | 465 | 448 | 327 | 308 | 277 | 277 | 317 | 288 | 264 | 257 | 217 | 228 | 284 | 233 | 133 | 121 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross | cross- off | off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:49AM 0.47 | 4:35PM 0.61 | 3:01AM 0.42 | 5:36PM 0.60 | 2:59AM 0.37 | 6:58PM 0.57 | ||||||||||||||||||
Low Tide / height (m) | 9:25PM 0.12 | 9:21AM -0.10 | 10:17PM 0.18 | 9:53AM -0.10 | 11:26PM 0.24 | 10:30AM -0.09 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - |
 | | |  | | | |  | | | | | | | | | | | | | |  | |  | |
Rain (mm) | - | - | - | 3 | 3 | 3 | 2 | 3 | 3 | 4 | 5 | 3 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | - | 1 | - |
| Temp. °C | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 22 |
| Feels °C (?) | 27 | 26 | 27 | 25 | 27 | 26 | 26 | 27 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 23 | 23 | 23 | 22 | 20 | 21 | 20 | 20 |
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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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