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Coast Guard surf Forecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 pm Thursday 25 Apr 2024 HST
Forecast update in hr min s Update imminent
Coast Guard surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coast Guard sea temperature is 24.5°C (Statistics for 25 Apr 1981-2005 - mean: 24.6 °C max: 25.8 °C min: 23.7 °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)
Coast Guard surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coast Guard sea temperature is 24.5°C (Statistics for 25 Apr 1981-2005 - mean: 24.6 °C max: 25.8 °C min: 23.7 °C)
How big are the waves at Coast Guard today?
The current surf forecast for Coast Guard at 9PM is: 2.3m 7s primary swell from a East-northeast direction (forecast issued at 07:00pm April 25). An open ocean swell of 0.3m 15s is not directed at the surf break, a second open ocean swell of 0.2m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | - | - |
| Afternoon (25 Apr) | 8ft (2.5m) | 8s |
| Evening (25 Apr) | 7.5ft (2.3m) | 7s |
Table - waves today at Coast Guard. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | Fri 03 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 6 | 7 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 8 | 8 | 8 | 8 | 6 | 6 | 11 | 11 | 8 | 8 | 8 | 6 | 7 | 7 | 6 | 10 | 8 | 8 | 6 | 7 | 7 | 7 | 10 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 758 | 669 | 462 | 328 | 344 | 303 | 339 | 495 | 588 | 557 | 438 | 462 | 427 | 441 | 495 | 542 | 526 | 443 | 335 | 341 | 266 | 273 | 336 | 253 | 261 | 0 | 0 | 280 | 259 | 232 | 226 | 298 | 328 | 253 | 205 | 273 | 229 | 197 | 229 | 0 | 212 | 10 | 12 | 235 | 235 | 318 | 339 | 432 | 330 | 263 | 8 | 326 | 0 | 0 | 384 | 445 | 432 | 2 | 1 | 1 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 | 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 | 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 | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:17AM 0.44 | 5:10PM 0.83 | 3:30AM 0.40 | 5:59PM 0.81 | 3:20AM 0.37 | 6:59PM 0.79 | 8:11PM 0.77 | 9:24PM 0.77 | 10:25AM 0.32 | 10:26PM 0.77 | 11:43AM 0.43 | 11:16PM 0.76 | ||||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 11:17PM 0.33 | 9:31AM 0.07 | 12:18AM 0.36 | 9:59AM 0.08 | 2:04AM 0.37 | 10:31AM 0.10 | 11:11AM 0.15 | 12:16PM 0.21 | 5:55AM 0.25 | 2:20PM 0.27 | 6:04AM 0.21 | 4:20PM 0.30 | ||||||||||||||||||||||||||||||||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | Fri 03 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
| Sunset | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 22 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 |
| Feels °C (?) | 18 | 17 | 20 | 18 | 17 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 18 | 19 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 19 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 22 | 22 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 |
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Coast Guard surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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