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Kahalu'u surf Forecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Thursday 18 Apr 2024 HST
Forecast update in hr min s Update imminent
Kahalu'u surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahalu'u sea temperature is 24.7°C (Statistics for 18 Apr 1981-2005 - mean: 24.6 °C max: 25.3 °C min: 23.3 °C)
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Kahalu'u surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahalu'u sea temperature is 24.7°C (Statistics for 18 Apr 1981-2005 - mean: 24.6 °C max: 25.3 °C min: 23.3 °C)
How big are the waves at Kahalu'u today?
The current surf forecast for Kahalu'u at 9AM is: 0.7m 16s primary swell from a Southwest direction (forecast issued at 07:00am April 18). An open ocean swell of 0.5m 13s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 2.5ft (0.7m) | 16s |
| Afternoon (18 Apr) | 2.5ft (0.7m) | 16s |
| Evening (18 Apr) | 2ft (0.6m) | 16s |
Table - waves today at Kahalu'u. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 21 | 21 | 19 | 17 | 17 | 16 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 121 | 258 | 258 | 258 | 258 | 258 | 164 | 158 | 150 | 107 | 152 | 150 | 106 | 104 | 104 | 90 | 57 | 55 | 57 | 57 | 55 | 54 | 56 | 57 | 64 | 82 | 60 | 58 | 57 | 57 | 57 | 56 | 55 | 45 | 44 | 86 | 85 | 73 | 75 | 74 | 74 | 118 | 106 | 178 | 178 | 106 | 104 | 99 | 95 | 137 | 87 | 86 | 86 | 85 | 83 | 77 | 74 | 73 | 72 | 80 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | on | on | on | glass | cross- off | cross | glass | glass | on | on | cross- on | cross- on | on | cross- on | cross- on | glass | cross- on | cross- on | on | glass | glass | glass | glass | on | on | on | cross- on | cross | glass | cross- on | cross- on | glass | cross- on | cross- on | cross- on | on | glass | cross- off | cross- off | glass | cross- on | cross- on | cross | cross- off | on | on | glass | cross- off | cross | cross- on | on | glass | glass | glass | glass | glass | cross- on | cross- on |
High Tide / height (m) | 1:37PM 0.45 | 1:10AM 0.62 | 2:05PM 0.52 | 1:43AM 0.60 | 2:32PM 0.60 | 2:14AM 0.57 | 3:00PM 0.66 | 2:43AM 0.54 | 3:28PM 0.72 | 3:11AM 0.50 | 3:58PM 0.76 | 3:40AM 0.45 | 4:31PM 0.79 | 4:08AM 0.40 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 7:34AM 0.14 | 6:51PM 0.24 | 7:52AM 0.12 | 7:42PM 0.22 | 8:10AM 0.10 | 8:27PM 0.20 | 8:28AM 0.09 | 9:10PM 0.19 | 8:47AM 0.07 | 9:51PM 0.18 | 9:07AM 0.06 | 10:33PM 0.18 | 9:28AM 0.06 | 11:17PM 0.19 | 9:52AM 0.06 | |||||||||||||||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - |
| Sunset | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 25 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 24 | 23 | 22 | 24 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 |
| Feels °C (?) | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 25 | 25 | 25 | 27 | 27 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 27 | 25 | 24 | 27 | 27 | 27 | 26 | 26 | 27 | 25 | 25 | 26 | 26 | 26 | 26 | 24 | 26 | 24 | 25 | 26 | 25 | 25 | 26 | 27 | 25 | 26 | 25 | 26 | 26 | 27 |
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