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Surf Forecasts:
Waimanalo surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Saturday 06 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Waimanalo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanalo sea temperature is
25.9° C
(Which is slightly warmer than usual)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 12PM is: 1.4m 13s primary swell from a North-northwest direction and 1.3m 8s secondary swell from a East direction (forecast issued at 07:00am December 06). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 5ft (1.5m) | 14s |
| Afternoon (06 Dec) | 4.5ft (1.4m) | 13s |
| Evening (06 Dec) | 4.5ft (1.3m) | 13s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 8 | 8 | 16 | 16 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 928 | 829 | 817 | 683 | 653 | 543 | 526 | 413 | 400 | 400 | 350 | 367 | 355 | 263 | 254 | 250 | 196 | 145 | 142 | 127 | 119 | 157 | 145 | 206 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:32AM 0.76 | 1:46PM 0.29 | 5:22AM 0.73 | 2:17PM 0.27 | 6:11AM 0.68 | |||||||||||||||||||
Low Tide / height (m) | 11:44AM 0.24 | 9:11PM -0.12 | 1:02PM 0.23 | 9:56PM -0.08 | 10:42PM -0.01 | |||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| Sunrise | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:47 | - | - | - |
 |  | |  | |  |  | | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 23 | 23 | 25 | 25 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 22 | 21 | 22 | 22 | 22 | 23 | 24 | 24 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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