Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Ammonias surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Friday 02 Jan 2026 HSTForecast update in hr min s Forecast update imminent
Ammonias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ammonias sea temperature is
25.1° C
(Which is slightly warmer than usual)How big are the waves at Ammonias today?
The current surf forecast for Ammonias at 3PM is: 2.0m 7s primary swell from a East-northeast direction (forecast issued at 07:00am January 02). An open ocean swell of 1.0m 12s is not directed at the surf break, a second open ocean swell of 0.4m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Jan) | 6.5ft (2.0m) | 7s |
| Afternoon (02 Jan) | 6.5ft (2.0m) | 7s |
| Evening (02 Jan) | 6ft (1.8m) | 7s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 432 | 420 | 394 | 394 | 382 | 336 | 338 | 245 | 171 | 147 | 138 | 117 | 77 | 79 | 59 | 47 | 68 | 64 | 40 | 51 | 48 | 66 | 210 | 171 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross- on | cross- on | on | on | on |
High Tide / height (m) | 3:26AM 0.78 | 2:35PM 0.18 | 4:08AM 0.77 | 3:27PM 0.20 | 4:49AM 0.75 | 4:19PM 0.21 | ||||||||||||||||||
Low Tide / height (m) | 10:53AM 0.11 | 8:18PM -0.12 | 11:27AM 0.10 | 9:05PM -0.10 | 12:02PM 0.09 | 9:51PM -0.07 | ||||||||||||||||||
Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | |||||||||||||||||||||
| Sunrise | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:07 | - | - | - |
 |  |  |  |  |  | | | | | | | |  |  | | | |  | | | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | 2 | 3 | 3 | 5 | 11 | 11 |
| Temp. °C | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 22 | 21 |
| Feels °C (?) | 20 | 20 | 22 | 21 | 21 | 20 | 21 | 22 | 23 | 23 | 25 | 23 | 25 | 24 | 23 | 22 | 22 | 22 | 21 | 22 | 22 | 21 | 21 | 21 |
- 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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