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Coast Guard surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Thursday 21 Nov 2024 HST
How big are the waves at Coast Guard today?
The current surf forecast for Coast Guard at 8AM is: 1.3m 8s primary swell from a East-northeast direction and 0.4m 12s secondary swell from a North direction (forecast issued at 01:00am November 21). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Nov) | 4.5ft (1.4m) | 8s |
| Afternoon (21 Nov) | 4.5ft (1.4m) | 8s |
| Evening (21 Nov) | 4.5ft (1.3m) | 8s |
Table - waves today at Coast Guard. (Swell directed towards the surf break)
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 256 | 228 | 237 | 232 | 264 | 257 | 220 | 202 | 196 | 212 | 277 | 314 | 365 | 359 | 418 | 418 | 397 | 384 | 397 | 377 | 358 | 345 | 303 | 735 | 623 | 594 | 558 | 459 | 432 | 361 | 361 | 303 | 298 | 293 | 217 | 214 | 257 | 253 | 461 | 344 | 308 | 303 | 242 | 214 | 170 | 167 | 130 | 104 | 77 | 77 | 75 | 69 | 47 | 46 | 46 | 68 | 72 | 69 | 65 | 65 |
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 | off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | 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) | 7:43AM 0.76 | 8:32PM 0.31 | 8:40AM 0.71 | 11:06PM 0.38 | 9:34AM 0.66 | 11:58PM 0.47 | 10:21AM 0.62 | 12:30AM 0.57 | 11:02AM 0.58 | 12:58AM 0.66 | 11:39AM 0.54 | 1:26AM 0.74 | 12:14PM 0.50 | 1:54AM 0.80 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 11:04PM 0.20 | 4:29PM 0.27 | 11:54PM 0.28 | 4:57PM 0.24 | 1:51AM 0.37 | 5:17PM 0.22 | 4:09AM 0.41 | 5:36PM 0.19 | 5:44AM 0.41 | 5:54PM 0.16 | 6:51AM 0.39 | 6:14PM 0.13 | 7:45AM 0.36 | 6:35PM 0.10 | ||||||||||||||||||||||||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 |
| Sunset | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 22 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 21 | 21 | 19 | 21 | 20 | 20 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 21 | 22 | 21 | 23 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 22 | 23 | 21 | 21 | 22 | 22 | 22 | 21 | 20 | 21 | 21 | 21 | 21 | 22 | 23 | 22 |
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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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