- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Acid Drops surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Tuesday 21 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
24.8° C
(Which is normal for this time of year)How big are the waves at Acid Drops today?
The current surf forecast for Acid Drops at 8AM is: 0.5m 16s primary swell from a West direction (forecast issued at 01:00am April 21). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 2ft (0.6m) | 15s |
| Afternoon (21 Apr) | 2.5ft (0.8m) | 15s |
| Evening (21 Apr) | 2.5ft (0.8m) | 14s |
Table - waves today at Acid Drops. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 12 | 16 | 16 | 14 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 15 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 131 | 44 | 174 | 121 | 136 | 231 | 275 | 267 | 260 | 260 | 261 | 253 | 236 | 229 | 225 | 167 | 167 | 165 | 117 | 117 | 114 | 110 | 155 | 69 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | cross- on | on | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 5:12AM 0.26 | 7:44PM 0.71 | 6:17AM 0.22 | 8:55PM 0.67 | 9:16AM 0.22 | |||||||||||||||||||
Low Tide / height (m) | 2:40AM 0.24 | 11:23AM 0.06 | 4:44AM 0.22 | 12:13PM 0.11 | 5:42AM 0.19 | 1:32PM 0.18 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - |
 |  | |  | |  | |  | | |  | | |  | | | | | | | | |  | | |
Rain (mm) | - | 1 | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 23 | 24 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 22 |
| Feels °C (?) | 28 | 27 | 27 | 28 | 29 | 27 | 28 | 29 | 27 | 27 | 26 | 25 | 26 | 27 | 26 | 26 | 24 | 22 | 22 | 23 | 23 | 23 | 23 | 20 |
- 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 Acid Drops 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