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Ammonias Surf Forecast
/ HAW – Kaua'i (25 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Ammonias surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Wednesday 15 Apr 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
24.3° C
(Which is normal for this time of year)How big are the waves at Ammonias today?
The current surf forecast for Ammonias at 7AM is: 0.8m 12s primary swell from a South direction and 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 01:00am April 15). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Apr) | 2.5ft (0.8m) | 12s |
| Afternoon (15 Apr) | 2.5ft (0.8m) | 12s |
| Evening (15 Apr) | 2.5ft (0.7m) | 12s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 196 | 193 | 193 | 193 | 190 | 187 | 144 | 114 | 190 | 190 | 190 | 113 | 198 | 195 | 144 | 141 | 141 | 150 | 98 | 85 | 65 | 91 | 56 | 55 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | glass | glass | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross |
High Tide / height (m) | 2:01AM 0.41 | 2:55PM 0.48 | 2:32AM 0.37 | 3:36PM 0.55 | 3:03AM 0.31 | 4:19PM 0.61 | ||||||||||||||||||
Low Tide / height (m) | 8:01PM 0.06 | 8:14AM -0.05 | 8:56PM 0.06 | 8:39AM -0.09 | 9:53PM 0.07 | 9:07AM -0.11 | ||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:57 | - |
 | |  |  | |  | | |  | |  |  |  | | | | | | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 23 | 23 |
| Feels °C (?) | 28 | 27 | 28 | 27 | 28 | 28 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 23 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ammonias 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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