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Kahuku Ranch surf Forecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Monday 20 May 2024 HST
Forecast update in hr min s Update imminent
Kahuku Ranch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahuku Ranch sea temperature is 25.3°C (Statistics for 20 May 1981-2005 - mean: 25.3 °C max: 26.6 °C min: 24.3 °C)
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Kahuku Ranch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahuku Ranch sea temperature is 25.3°C (Statistics for 20 May 1981-2005 - mean: 25.3 °C max: 26.6 °C min: 24.3 °C)
How big are the waves at Kahuku Ranch today?
The current surf forecast for Kahuku Ranch at 6AM is: 0.9m 15s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a Northwest direction (forecast issued at 01:00am May 20). An open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.8m) | 15s |
| Afternoon (20 May) | 2.5ft (0.8m) | 14s |
| Evening (20 May) | 2.5ft (0.8m) | 14s |
Table - waves today at Kahuku Ranch. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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) (?) | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 522 | 516 | 400 | 288 | 284 | 280 | 280 | 276 | 273 | 210 | 181 | 128 | 126 | 126 | 126 | 126 | 125 | 87 | 85 | 81 | 80 | 80 | 80 | 50 | 77 | 69 | 103 | 102 | 102 | 127 | 125 | 125 | 80 | 150 | 152 | 150 | 85 | 130 | 124 | 125 | 125 | 178 | 170 | 168 | 210 | 158 | 156 | 156 | 154 | 198 | 195 | 147 | 142 | 145 | 149 | 149 | 149 | 149 | 147 | 147 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 1:22AM 0.60 | 2:24PM 0.87 | 1:58AM 0.57 | 2:56PM 0.93 | 2:33AM 0.54 | 3:30PM 0.97 | 3:08AM 0.51 | 4:06PM 0.99 | 3:44AM 0.48 | 4:45PM 0.99 | 4:22AM 0.45 | 5:27PM 0.98 | 5:05AM 0.43 | 6:12PM 0.96 | 5:59AM 0.41 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 8:06PM 0.29 | 7:31AM 0.09 | 8:50PM 0.26 | 7:57AM 0.07 | 9:32PM 0.23 | 8:26AM 0.05 | 10:14PM 0.22 | 8:57AM 0.04 | 10:56PM 0.22 | 9:29AM 0.04 | 11:42PM 0.22 | 10:05AM 0.04 | 12:32AM 0.23 | 10:44AM 0.07 | 1:27AM 0.24 | |||||||||||||||||||||||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 |
| Sunset | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 26 | 25 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 |
| Feels °C (?) | 21 | 22 | 22 | 21 | 23 | 22 | 22 | 21 | 22 | 22 | 21 | 22 | 22 | 23 | 23 | 21 | 21 | 20 | 20 | 21 | 22 | 23 | 22 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 21 | 21 | 19 | 20 | 21 | 19 | 21 | 20 | 20 | 19 | 19 | 20 | 20 | 21 | 22 | 21 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 22 | 23 |
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