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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 pm Tuesday 07 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
24.1° C
(Which is normal for this time of year)How big are the waves at Ammonias today?
The current surf forecast for Ammonias at 9PM is: 0.7m 18s primary swell from a South direction (forecast issued at 01:00pm April 07). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Apr) | 2.5ft (0.7m) | 19s |
| Afternoon (07 Apr) | 2ft (0.6m) | 19s |
| Evening (07 Apr) | 2.5ft (0.7m) | 18s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 07 | Wednesday 08 | Thursday 09 | Friday 10 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 270 | 265 | 321 | 311 | 307 | 307 | 300 | 293 | 200 | 421 | 427 | 260 | 188 | 416 | 306 | 590 | 1056 | 2089 | 2281 | 2281 | 3135 | 3112 | 3182 | 2060 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | glass | on | on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 8:20PM 0.47 | 9:39PM 0.45 | 10:49PM 0.46 | |||||||||||||||||||||
Low Tide / height (m) | 11:39AM 0.02 | 12:25PM 0.05 | 1:45PM 0.07 | 7:30AM 0.10 | ||||||||||||||||||||
Tuesday 07 | Wednesday 08 | Thursday 09 | Friday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 |
| Sunset | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - |
 | | |  | | | | |  | |  |  |  | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 6 | 18 | 2 | 1 | 2 | 3 | 2 | 5 | 4 | 7 | 6 | 17 | 5 |
| Temp. °C | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 24 |
| Feels °C (?) | 24 | 23 | 23 | 24 | 25 | 24 | 24 | 25 | 25 | 24 | 25 | 23 | 23 | 21 | 22 | 21 | 21 | 21 | 19 | 18 | 20 | 21 | 20 | 23 |
- Map Icons:
Break
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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