- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Richardsons surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 pm Tuesday 21 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Richardsons surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Richardsons sea temperature is
25.0° C
(Which is slightly warmer than usual)How big are the waves at Richardsons today?
The current surf forecast for Richardsons at 5PM is: 0.4m 16s primary swell from a North-northeast direction and 0.9m 8s secondary swell from a North-northeast direction, 0.9m 8s secondary swell from a East-southeast direction (forecast issued at 01:00pm April 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 3ft (0.9m) | 8s |
| Afternoon (21 Apr) | 3ft (0.9m) | 8s |
| Evening (21 Apr) | 2.5ft (0.8m) | 16s |
Table - waves today at Richardsons. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 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 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 100 | 104 | 107 | 291 | 353 | 498 | 789 | 735 | 673 | 653 | 614 | 557 | 469 | 437 | 349 | 325 | 270 | 249 | 202 | 191 | 180 | 143 | 140 | 137 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- on | cross- on | on | glass | glass | glass | glass | on | on | on | cross- on | cross- on | cross- on | cross | cross- on | cross- on |
High Tide / height (m) | 7:19PM 0.77 | 5:58AM 0.25 | 8:35PM 0.72 | 8:09AM 0.23 | 9:51PM 0.69 | |||||||||||||||||||
Low Tide / height (m) | 11:21AM -0.09 | 3:02AM 0.22 | 12:21PM -0.02 | 4:38AM 0.18 | 1:47PM 0.06 | 5:28AM 0.13 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:54 |
| Sunset | - | - | 6:38 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - |
 | |  |  | | |  | | | | | | | | | | | | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 22 | 23 |
| Feels °C (?) | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 24 | 24 | 25 | 24 | 23 | 23 | 22 | 23 |
- Map Icons:
Break
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 Richardsons 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.
Nearest