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Surf Forecasts:
Acid Drops surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 pm Sunday 19 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Acid Drops surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Acid Drops sea temperature is
25.0° C
(Which is slightly warmer than usual)How big are the waves at Acid Drops today?
The current surf forecast for Acid Drops at 8PM is: 0.5m 13s primary swell from a West direction and 0.5m 6s secondary swell from a Southeast direction, 0.6m 6s secondary swell from a East direction (forecast issued at 01:00pm April 19). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 3.5ft (1.0m) | 6s |
| Afternoon (19 Apr) | 1.5ft (0.4m) | 13s |
| Evening (19 Apr) | 1.5ft (0.5m) | 14s |
Table - waves today at Acid Drops. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 14 | 14 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 12 | 16 | 16 | 14 | 16 | 15 | 15 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 57 | 58 | 59 | 88 | 93 | 97 | 73 | 83 | 83 | 83 | 83 | 125 | 131 | 44 | 179 | 121 | 136 | 231 | 275 | 267 | 260 | 260 | 261 | 253 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross | glass | glass | glass | glass | glass | cross- on | glass | glass | glass | glass | glass | cross- off | off |
High Tide / height (m) | 5:45PM 0.77 | 4:37AM 0.30 | 6:41PM 0.74 | 5:12AM 0.26 | 7:44PM 0.71 | 6:17AM 0.22 | ||||||||||||||||||
Low Tide / height (m) | 10:07AM -0.00 | 1:05AM 0.23 | 10:43AM 0.02 | 2:40AM 0.24 | 11:23AM 0.06 | 4:44AM 0.22 | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 |
| Sunset | - | - | 6:59 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - |
 | |  |  | | | |  | |  | | |  | |  | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 2 | - | 1 | 1 | - | - | - | 1 | 1 | - | - | - | - | - |
| Temp. °C | 25 | 26 | 25 | 23 | 23 | 23 | 22 | 23 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 |
| Feels °C (?) | 26 | 28 | 27 | 24 | 23 | 24 | 24 | 25 | 28 | 27 | 28 | 27 | 28 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 25 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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