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Kiholo Bay Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kiholo Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Kiholo Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kiholo Bay sea temperature is
26.2° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Kiholo Bay today?
The current surf forecast for Kiholo Bay at 2PM is: 0.3m 19s primary swell from a Southwest direction (forecast issued at 07:00am May 18). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 1ft (0.3m) | 19s |
| Evening (18 May) | 1ft (0.3m) | 14s |
Table - waves today at Kiholo Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Mon afternoon. Warm (max 27°C on Mon morning, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 20 | NE 6 | SW 19 | NE 6 | SW 14 | NE 6 | SSW 16 | NE 6 | SSW 18 | NE 5 | NE 6 | NE 6 | SW 14 | SSW 14 | SSW 14 | SSW 14 | NE 8 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | N 11 | NE 6 | |
29 | 15 | 0 | 59 | 0 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 14 | 14 | 14 | 13 | 9 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | glassy | glassy | glassy | cross | cross-off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | |
High Tide | 4:23AM0.31m | 5:34PM0.92m | 5:16AM0.29m | 6:25PM0.88m | 6:22AM0.27m | 7:19PM0.82m | ||||||||||||||||||
Low Tide | 9:56AM-0.01m | 1:02AM0.15m | 10:40AM0.03m | 2:04AM0.16m | 11:29AM0.09m | |||||||||||||||||||
 |  |  | | |  |  | | |  | | | | |  | | | | | | | | | | |
 | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:53 | — | — | 6:53 |
1 | 1 | 1 | 2 | 2 | 1 | — | 2 | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 24 |
30 | 29 | 30 | 30 | 31 | 29 | 29 | 28 | 28 | 30 | 30 | 30 | 31 | 30 | 28 | 28 | 27 | 28 | 30 | 28 | 27 | 26 | 27 | 24 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NNE 5 | NE 6 | NE 6 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NNE 5 | NNE 5 | NE 6 | NE 6 | NE 8 | NE 8 | ENE 8 | NE 9 | ENE 8 |
 kJ | 64 | 55 | 31 | 62 | 54 | 52 | 34 | 18 | 29 | 26 | 23 | 32 | 39 | 62 | 33 | 17 | 17 | 24 | 60 | 126 | 149 | 47 | 36 | 28 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 13 | NE 7 | SW 19 | SSW 13 | SW 14 | SSW 13 | NE 7 | SSW 15 | SSW 18 | NE 7 | ENE 7 | ENE 7 | SSW 15 | NE 8 | NE 8 | NE 8 | NE 8 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 29 | 45 | 25 | 59 | 17 | 32 | 17 | 14 | 22 | 30 | 13 | 5 | 11 | 44 | 15 | 32 | 31 | 28 | 20 | 20 | 18 | 17 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | S 14 | SW 20 | SSW 19 | SSW 13 | ENE 8 | ENE 8 | ENE 8 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | N 11 | SSW 16 |
| kJ | 4 | 15 | 37 | 17 | 6 | 6 | 6 | 25 | 18 | 20 | 19 | 20 | 20 | 7 | 41 | 41 | 41 | 20 | 14 | 14 | 14 | 13 | 9 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | NNE 6 | NE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 49 | 59 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 22 | 99 | 21 | 43 | 99 | 88 | 22 | 31 | 27 | 99 | 102 | 28 | 22 | 22 | 94 | 22 | 31 | 102 | 102 | 14 | 14 | 22 | 14 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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