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Waikokos surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Waikokos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waikokos sea temperature is
24.7° C
(Which is normal for this time of year)How big are the waves at Waikokos today?
The current surf forecast for Waikokos at 9AM is: 2.0m 8s primary swell from a East direction and 1.7m 8s secondary swell from a East direction, 0.4m 13s secondary swell from a Northwest direction (forecast issued at 01:00am May 18). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6.5ft (2.0m) | 8s |
| Afternoon (18 May) | 5.5ft (1.7m) | 8s |
| Evening (18 May) | 5ft (1.6m) | 8s |
Table - waves today at Waikokos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Mon morning. Warm (max 25°C on Mon morning, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | |
428 | 520 | 516 | 383 | 383 | 383 | 341 | 301 | 264 | 223 | 217 | 186 | 186 | 217 | 217 | 217 | 251 | 123 | 270 | 309 | 341 | 439 | 509 | 522 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | |
High Tide | 2:56AM0.15m | 4:45PM0.76m | 3:51AM0.13m | 5:37PM0.73m | 5:03AM0.12m | 6:32PM0.67m | ||||||||||||||||||
Low Tide | 8:22AM-0.13m | 00:13AM0.08m | 9:06AM-0.10m | 1:25AM0.07m | 9:55AM-0.05m | |||||||||||||||||||
 |  |  |  | | |  | | | | | | | | |  | | | |  | | | | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — |
— | 1 | — | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | — | — | 1 | 1 | 1 | 1 | — | |
Temp °C | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 23 | 24 | 25 | 24 | 23 | 23 |
24 | 24 | 25 | 25 | 25 | 24 | 23 | 24 | 24 | 23 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 22 | 23 | 23 | 25 | 23 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | E 8 | NW 12 | NW 12 | NW 12 | E 8 | E 8 | ENE 8 | E 8 | E 8 | NW 10 | NW 10 | NW 11 | NW 11 | NW 10 | NW 10 | ENE 8 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 10 |
 kJ | 291 | 359 | 383 | 39 | 37 | 36 | 341 | 301 | 264 | 223 | 217 | 52 | 87 | 90 | 115 | 106 | 80 | 123 | 62 | 94 | 66 | 65 | 64 | 42 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NW 14 | NW 13 | NNW 9 | SSW 14 | SSW 14 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 12 | NNW 12 | NNW 14 | NNW 13 | NNW 13 | SSW 15 | NNW 12 | NNW 10 | NW 10 | SSW 14 | NW 9 | NW 9 | NW 9 | NW 9 |
| kJ | 21 | 29 | 44 | 7 | 20 | 19 | 63 | 43 | 58 | 84 | 90 | 30 | 18 | 35 | 17 | 21 | 29 | 59 | 14 | 20 | 13 | 13 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | SE 10 | NNW 9 | NNW 9 | SSW 14 | NNW 8 | NNW 8 | SSW 14 | SSW 14 | SSE 10 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSE 7 | SSW 15 | NW 10 | NNW 12 | SE 9 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 27 | 16 | 8 | 20 | 7 | 7 | 18 | 18 | 10 | 18 | 18 | 19 | 19 | 19 | 20 | 5 | 22 | 24 | 29 | 3 | 20 | 19 | 19 | 19 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 |
| kJ | 428 | 520 | 516 | 383 | 383 | 383 | — | — | — | — | — | 186 | 186 | 217 | 217 | 217 | 251 | 112 | 270 | 309 | 341 | 439 | 509 | 522 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 33 | 33 | 33 | 33 | 33 | 33 | 28 | 33 | 1 | 1 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 34 | 154 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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