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Coast Guard surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 pm Sunday 27 Apr 2025 HST
How big are the waves at Coast Guard today?
The current surf forecast for Coast Guard at 2AM is: 1.1m 8s primary swell from a East-northeast direction and 0.1m 8s secondary swell from a West direction (forecast issued at 07:00pm April 27). An open ocean swell of 0.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 1.5ft (0.4m) | 8s |
| Afternoon (28 Apr) | 2.5ft (0.8m) | 7s |
| Evening (28 Apr) | 2.5ft (0.8m) | 7s |
Table - waves today at Coast Guard. (Swell directed towards the surf break)
Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | 8 | 5 | 8 | 5 | 8 | 8 | 8 | 8 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 6 | 6 | 7 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 95 | 215 | 83 | 143 | 17 | 23 | 23 | 56 | 59 | 62 | 27 | 34 | 55 | 70 | 83 | 81 | 0 | 0 | 0 | 0 | 0 | 5 | 140 | 0 | 244 | 0 | 202 | 202 | 244 | 280 | 26 | 25 | 48 | 43 | 42 | 38 | 35 | 34 | 32 | 350 | 406 | 383 | 271 | 253 | 249 | 257 | 227 | 247 | 317 | 372 | 363 | 268 | 254 | 249 | 334 | 350 | 419 | 407 | 298 | 280 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | glass | glass | cross- on | glass | glass | glass | glass | glass | glass | glass | glass | 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) | 2:41AM 0.52 | 4:11PM 0.97 | 3:14AM 0.46 | 4:59PM 0.96 | 3:44AM 0.40 | 5:52PM 0.91 | 4:11AM 0.35 | 6:51PM 0.85 | 8:00PM 0.80 | 7:15AM 0.28 | 9:11PM 0.75 | 10:44AM 0.33 | 10:14PM 0.72 | |||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 10:00PM 0.27 | 8:50AM -0.03 | 11:00PM 0.29 | 9:23AM -0.02 | 12:08AM 0.32 | 9:58AM 0.02 | 1:38AM 0.33 | 10:35AM 0.07 | 11:17AM 0.15 | 5:28AM 0.28 | 12:14PM 0.23 | 5:41AM 0.25 | 2:07PM 0.31 | |||||||||||||||||||||||||||||||||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Mon 05 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
| Sunset | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:47 | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | 1 | 3 | 3 | 2 | 1 | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 |
| Feels °C (?) | 22 | 22 | 23 | 24 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 27 | 27 | 26 | 23 | 22 | 21 | 21 | 21 | 23 | 21 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 20 | 21 | 20 | 20 | 20 | 18 | 20 | 20 | 20 | 18 | 18 | 19 | 19 | 19 | 21 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 21 | 21 | 19 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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