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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 7 am Sunday 12 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 1PM is: 0.6m 14s primary swell from a South-southwest direction (forecast issued at 07:00am April 12). An open ocean swell of 0.7m 12s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | 2ft (0.6m) | 12s |
| Afternoon (12 Apr) | 2ft (0.6m) | 14s |
| Evening (12 Apr) | 1.5ft (0.5m) | 13s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 6 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 7 | 7 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 108 | 104 | 27 | 129 | 127 | 87 | 85 | 74 | 73 | 74 | 82 | 13 | 25 | 66 | 66 | 144 | 134 | 129 | 173 | 170 | 165 | 206 | 196 | 193 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | on | glass | on | cross- on | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on |
High Tide / height (m) | 1:01PM 0.25 | 12:58AM 0.47 | 1:38PM 0.32 | 1:30AM 0.45 | 2:16PM 0.40 | |||||||||||||||||||
Low Tide / height (m) | 7:23AM 0.06 | 6:05PM 0.07 | 7:35AM 0.03 | 7:05PM 0.06 | 7:53AM -0.01 | 8:01PM 0.06 | ||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
| Sunrise | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:55 | - | - | - | - | - | - | - | 6:55 | - | - | - |
 |  | | | | | | |  | | | |  |  | | | | | | | | | | | |
Rain (mm) | 1 | 1 | 1 | 3 | 5 | 3 | 1 | 3 | 8 | 1 | 2 | 1 | - | - | - | - | - | - | - | - | 1 | 4 | 6 | 2 |
| Temp. °C | 21 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 22 | 21 | 21 |
| Feels °C (?) | 23 | 22 | 23 | 24 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 26 | 25 | 25 | 24 | 24 | 23 | 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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