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Surf Forecasts:
Number Fours surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Saturday 28 Feb 2026 HSTForecast update in hr min s Forecast update imminent
Number Fours surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Number Fours sea temperature is
24.4° C
(Which is normal for this time of year)How big are the waves at Number Fours today?
The current surf forecast for Number Fours at 2PM is: 0.4m 14s primary swell from a Southwest direction and 0.5m 5s secondary swell from a East direction (forecast issued at 07:00am February 28). An open ocean swell of 0.8m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Feb) | 1.5ft (0.4m) | 14s |
| Afternoon (28 Feb) | 1.5ft (0.4m) | 14s |
| Evening (28 Feb) | 2.5ft (0.7m) | 6s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 28 | Sunday 01 | Monday 02 | Tue 03 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 14 | 14 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 9 | 10 | 10 | 10 | 9 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 54 | 54 | 53 | 49 | 47 | 30 | 41 | 41 | 43 | 44 | 44 | 33 | 34 | 35 | 50 | 33 | 34 | 36 | 31 | 196 | 168 | 18 | 18 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross | cross- on | cross | cross- off | cross | glass | cross- off | glass | glass | glass | glass | off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:18AM 0.67 | 2:36PM 0.24 | 2:57AM 0.66 | 3:16PM 0.30 | 3:31AM 0.63 | 3:55PM 0.35 | ||||||||||||||||||
Low Tide / height (m) | 9:29AM 0.01 | 7:52PM -0.02 | 9:53AM -0.01 | 8:42PM -0.02 | 10:16AM -0.02 | 9:30PM -0.00 | ||||||||||||||||||
Saturday 28 | Sunday 01 | Monday 02 | Tue 03 | |||||||||||||||||||||
| Sunrise | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:36 | - | - | - |
 |  | | | | | |  | | |  |  | |  | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | - | - | 2 | 1 | - | - | - | - | - |
| Temp. °C | 21 | 21 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 24 | 23 | 24 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 22 |
| Feels °C (?) | 23 | 23 | 24 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 26 | 27 | 25 | 26 | 22 | 23 | 23 | 22 | 21 | 20 | 21 | 21 | 21 | 19 |
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Number Fours 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.
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