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Surf Forecasts:
Acid Drops surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 pm Wednesday 20 May 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
25.2° 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 6PM is: 1.8m 8s primary swell from a East direction and 0.5m 14s secondary swell from a South-southwest direction, 0.3m 18s secondary swell from a South direction (forecast issued at 01:00pm May 20). The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2ft (0.6m) | 14s |
| Afternoon (20 May) | 5.5ft (1.7m) | 8s |
| Evening (20 May) | 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
Short Range ForecastLight rain (total 3mm), mostly falling on Wed afternoon. Warm (max 25°C on Wed afternoon, min 22°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 15 | E 8 | E 8 | SSW 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 15 | E 9 | E 9 | S 15 | S 15 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | |
165 | 174 | 418 | 464 | 104 | 692 | 727 | 727 | 727 | 744 | 809 | 866 | 157 | 1027 | 899 | 155 | 109 | 103 | 98 | 97 | 147 | 132 | 185 | 127 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 7:22PM0.73m | 7:23AM0.24m | 8:16PM0.67m | 9:27AM0.27m | 9:10PM0.61m | |||||||||||||||||||
Low Tide | 11:15AM0.07m | 3:26AM0.18m | 12:11PM0.14m | 4:16AM0.16m | 1:26PM0.22m | 4:54AM0.14m | ||||||||||||||||||
 |  |  |  | | | |  | | | |  | | | | | | | | | |  |  | | |
 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — |
 | — | — | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | 7:13 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | |
Temp °C | 26 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 23 |
25 | 23 | 22 | 23 | 21 | 21 | 21 | 20 | 21 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 16 | S 16 | SSW 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | SE 12 | S 14 | S 17 | S 16 | S 16 | S 16 |
 kJ | 165 | 174 | 152 | 105 | 104 | 101 | 69 | 134 | 134 | 87 | 127 | 115 | 157 | 157 | 110 | 155 | 109 | 103 | 68 | 93 | 147 | 132 | 185 | 127 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SSW 18 | SSW 18 | S 18 | SSW 17 | SSW 17 | S 16 | SSW 13 | SSW 14 | SSW 14 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 9 | SE 12 | SSW 14 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 14 | 62 | 62 | 56 | 101 | 93 | 137 | 70 | 61 | 66 | 44 | 43 | 43 | 42 | 40 | 38 | 21 | 67 | 62 | 97 | 60 | 59 | 60 | 58 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 7 | SE 9 | SE 9 | SE 7 | SSE 14 | SE 14 | SE 14 | SE 14 | SE 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SE 10 | S 18 | S 18 | S 18 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 |
| kJ | 13 | 8 | 13 | 13 | 14 | 19 | 32 | 51 | 47 | 44 | 14 | 14 | 14 | 14 | 15 | 15 | 57 | 99 | 98 | 38 | 37 | 36 | 35 | 35 |
Wind waves Height (m) Direction Period (s) | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 341 | 392 | 418 | 464 | 562 | 692 | 727 | 727 | 727 | 744 | 809 | 866 | 970 | 1027 | 899 | 841 | 858 | 708 | 790 | 708 | 738 | 660 | 702 | 719 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 20 | 136 | 18 | 312 | 312 | 35 | 26 | 26 | 310 | 3736 | 312 | 427 | 18 | 18 | 18 | 18 | 20 | 18 | 18 | 18 | 18 | 18 | 18 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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