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Kona Tiki Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kona Tiki surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 pm Monday 15 Sep 2025 HST
How big are the waves at Kona Tiki today?
The current surf forecast for Kona Tiki at 1AM is: 0.3m 14s primary swell from a South-southwest direction and 0.3m 12s secondary swell from a South-southwest direction, 0.3m 10s secondary swell from a South-southwest direction, 0.1m 8s secondary swell from a Northwest direction (forecast issued at 07:00pm September 15). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 1.5ft (0.4m) | 13s |
| Afternoon (16 Sep) | 1.5ft (0.4m) | 13s |
| Evening (16 Sep) | 1.5ft (0.4m) | 13s |
Table - waves today at Kona Tiki. (Swell directed towards the surf break)
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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) (?) | 14 | 15 | 12 | 14 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 16 | 12 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 106 | 94 | 59 | 92 | 79 | 92 | 106 | 96 | 110 | 84 | 105 | 97 | 89 | 112 | 87 | 103 | 103 | 88 | 84 | 103 | 110 | 86 | 80 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | glass | cross | cross- off | glass | on | on | on | cross- on | cross- on | cross- on | glass | cross- on | on | on | on | cross- on | cross- on | on | glass | glass | on | on |
High Tide / height (m) | 11:47PM 0.24 | 12:20PM 0.71 | 12:50AM 0.29 | 1:08PM 0.71 | 1:35AM 0.34 | 1:49PM 0.70 | ||||||||||||||||||
Low Tide / height (m) | 7:12PM 0.13 | 4:40AM 0.11 | 7:48PM 0.11 | 5:54AM 0.10 | 8:17PM 0.09 | 6:54AM 0.09 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | 6:25 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - |
 |  |  | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 26 | 26 | 25 | 26 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 |
| Feels °C (?) | 29 | 28 | 29 | 28 | 27 | 28 | 30 | 29 | 28 | 28 | 29 | 27 | 28 | 29 | 29 | 29 | 28 | 29 | 29 | 27 | 28 | 29 | 29 | 29 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Big Island
Continuing clean conditions at Kona Tiki (calm at Kailua Kona 3 km from Kona Tiki). 0.6m 13s groundswell from the SSW with a 0.3m 15s groundswell, also from the SSW. 2 swells combining to make bigger set waves.
Actual: 55 min ago
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