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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 pm Thursday 23 Oct 2025 HST
How big are the waves at Ammonias today?
The current surf forecast for Ammonias at 9PM is: 1.7m 7s primary swell from a East-northeast direction and 0.5m 8s secondary swell from a Southeast direction (forecast issued at 07:00pm October 23). An open ocean swell of 0.9m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | - | - |
| Afternoon (23 Oct) | 6ft (1.8m) | 7s |
| Evening (23 Oct) | 5.5ft (1.7m) | 7s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 273 | 265 | 278 | 245 | 282 | 342 | 385 | 348 | 360 | 407 | 474 | 537 | 537 | 500 | 487 | 491 | 487 | 478 | 355 | 319 | 328 | 310 | 293 | 277 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:38PM 0.27 | 5:25AM 0.63 | 3:50PM 0.24 | 6:07AM 0.62 | 3:41PM 0.23 | 7:00AM 0.59 | ||||||||||||||||||
Low Tide / height (m) | 9:42PM 0.03 | 12:44PM 0.21 | 10:07PM 0.05 | 2:12PM 0.22 | 10:37PM 0.07 | |||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - |
| Sunset | 6:06 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - |
 |  |  | | |  | |  | | |  | | |  | | |  | | | |  | | | | |
Rain (mm) | - | - | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 1 | 1 | 1 | 1 |
| Temp. °C | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 |
| Feels °C (?) | 25 | 23 | 23 | 23 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 26 | 25 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Kaua'i
Cross-off winds at Ammonias are now cross-shore so expect speed-bumps in the surf (light winds from the NE at BUOY-NWWH1 0 km from Ammonias). A 0.6m groundswell from the SSE
1 h 9 min ago
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