- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 Saturday 28 Mar 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 12PM is: 0.6m 13s primary swell from a South-southeast direction and 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 07:00am March 28). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Mar) | 1.5ft (0.5m) | 16s |
| Afternoon (28 Mar) | 2ft (0.6m) | 13s |
| Evening (28 Mar) | 2ft (0.6m) | 13s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 28 | Sunday 29 | Monday 30 | Tue 31 | |||||||||||||||||||||
| 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) (?) | 13 | 16 | 13 | 13 | 13 | 13 | 13 | 12 | 14 | 14 | 14 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 135 | 135 | 135 | 135 | 135 | 133 | 93 | 78 | 104 | 104 | 63 | 47 | 47 | 47 | 58 | 57 | 56 | 55 | 51 | 30 | 30 | 29 | 29 | 29 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross | cross | cross- off | cross | cross | cross |
High Tide / height (m) | 1:20PM 0.24 | 1:37AM 0.53 | 2:02PM 0.30 | 2:11AM 0.50 | 2:41PM 0.37 | |||||||||||||||||||
Low Tide / height (m) | 8:06AM 0.05 | 6:32PM 0.02 | 8:22AM 0.02 | 7:29PM 0.02 | 8:39AM 0.00 | 8:19PM 0.03 | ||||||||||||||||||
Saturday 28 | Sunday 29 | Monday 30 | Tue 31 | |||||||||||||||||||||
| Sunrise | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - |
 |  | | | |  | | | | | |  | | |  |  |  |  | |  | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 1 | - | 1 | 1 | 1 |
| Temp. °C | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Feels °C (?) | 17 | 16 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 17 | 16 | 17 | 16 | 17 | 17 |
- 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.
Nearest