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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 Saturday 04 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
23.9° C
(Which is normal for this time of year)How big are the waves at Ammonias today?
The current surf forecast for Ammonias at 6PM is: 0.4m 18s primary swell from a Southwest direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 01:00pm April 04). An open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 1.5ft (0.4m) | 10s |
| Afternoon (04 Apr) | 1.5ft (0.4m) | 15s |
| Evening (04 Apr) | 1.5ft (0.4m) | 18s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| 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 | 15 | 18 | 18 | 18 | 7 | 18 | 17 | 16 | 7 | 16 | 6 | 6 | 6 | 16 | 6 | 6 | 17 | 16 | 21 | 16 | 17 | 19 | 19 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 74 | 54 | 81 | 81 | 80 | 127 | 79 | 116 | 104 | 102 | 102 | 102 | 147 | 151 | 153 | 100 | 85 | 92 | 134 | 151 | 153 | 205 | 270 | 369 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:40PM 0.52 | 4:28AM 0.21 | 6:22PM 0.51 | 4:31AM 0.18 | 7:14PM 0.49 | |||||||||||||||||||
Low Tide / height (m) | 10:15AM -0.05 | 12:25AM 0.13 | 10:39AM -0.03 | 1:36AM 0.16 | 11:06AM -0.01 | |||||||||||||||||||
Saturday 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 |
| Sunset | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - |
 | | |  | | |  | |  | | | |  |  | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 1 | 1 | - | - | - | - | 1 |
| Temp. °C | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 |
| Feels °C (?) | 21 | 21 | 21 | 20 | 19 | 20 | 20 | 19 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 21 | 22 | 23 | 23 | 24 | 23 | 23 | 23 |
- Map Icons:
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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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