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Coast Guard surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Friday 04 Apr 2025 HST
How big are the waves at Coast Guard today?
The current surf forecast for Coast Guard at 5AM is: 0.3m 11s primary swell from a North-northwest direction and 0.3m 8s secondary swell from a West-northwest direction (forecast issued at 01:00am April 04). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 1ft (0.3m) | 11s |
| Afternoon (04 Apr) | 1ft (0.3m) | 11s |
| Evening (04 Apr) | 2.5ft (0.7m) | 14s |
Table - waves today at Coast Guard. (Swell directed towards the surf break)
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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) (?) | 9 | 8 | 11 | 11 | 11 | 11 | 15 | 14 | 13 | 13 | 13 | 16 | 16 | 16 | 17 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 8 | 8 | 12 | 6 | 6 | 6 | 11 | 6 | 7 | 6 | 11 | 11 | 11 | 11 | 11 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 26 | 90 | 25 | 23 | 22 | 22 | 121 | 195 | 184 | 181 | 187 | 406 | 496 | 768 | 1389 | 2046 | 2238 | 2275 | 2357 | 2330 | 1951 | 1881 | 1672 | 1651 | 1626 | 1606 | 1565 | 1525 | 1525 | 1147 | 957 | 931 | 791 | 725 | 609 | 521 | 529 | 440 | 427 | 340 | 272 | 263 | 243 | 232 | 184 | 322 | 374 | 299 | 123 | 143 | 188 | 170 | 40 | 40 | 40 | 39 | 38 | 164 | 150 | 131 |
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) | 8:33PM 0.77 | 10:08PM 0.75 | 10:46AM 0.29 | 11:20PM 0.75 | 12:12PM 0.37 | 12:10AM 0.75 | 12:51PM 0.45 | 12:47AM 0.75 | 1:23PM 0.53 | 1:17AM 0.73 | 1:53PM 0.61 | 1:42AM 0.70 | 2:21PM 0.68 | 2:05AM 0.66 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 12:32PM 0.20 | 7:22AM 0.27 | 2:42PM 0.26 | 7:13AM 0.24 | 4:45PM 0.27 | 7:23AM 0.22 | 5:59PM 0.25 | 7:37AM 0.19 | 6:51PM 0.24 | 7:50AM 0.17 | 7:35PM 0.24 | 8:05AM 0.15 | 8:16PM 0.24 | |||||||||||||||||||||||||||||||||||||||||||||||
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 |
| Sunset | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 23 | 23 | 23 | 23 | 22 | 23 | 21 | 20 | 20 | 19 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 19 | 19 | 19 | 21 | 20 | 19 | 20 | 20 | 20 | 20 | 21 | 20 | 21 | 21 | 19 | 20 | 20 | 21 | 20 | 21 | 21 | 20 | 18 | 19 | 20 | 20 | 19 | 18 | 20 | 21 | 19 | 19 | 20 | 20 | 19 |
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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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