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Surf Forecasts:
Manini Beach surfForecast / HAW – Big Island / USA
16 Day Weather and Surf, issued 7 am Wednesday 06 May 2026 HSTForecast update in hr min s Forecast update imminent
Manini Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Manini Beach sea temperature is
26.1° C
(Which is 1.2°C warmer than normal for this time of year)Best Forecast Surf Conditions for Manini Beach this week:
The surf forecast for Manini Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 06) at 5PM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.4m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Manini Beach in the next 16 days are 0.6m 16s and forecast to arrive on Friday (May 08) at 8PM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 6th May) | 1.5ft (0.5m) 16s |
| Best Surf | 8PM (Wed 6th May) | 1.5ft (0.5m) 16s |
| Most Powerful | 8PM (Fri 8th May) | 2ft (0.6m) 16s |
Table - best surf conditions forecast for Manini Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 26°C on Wed morning, min 24°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Sat morning. Warm (max 26°C on Sun afternoon, min 24°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | Saturday 9 | Sunday 10 | Monday 11 | Tuesday 12 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
SSW 18 | S 16 | SSW 16 | S 15 | SSW 15 | NW 14 | S 17 | NW 12 | S 16 | SSW 15 | S 14 | NW 11 | NW 11 | SSW 13 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | |
61 | 131 | 144 | 109 | 121 | 116 | 151 | 95 | 129 | 71 | 107 | 30 | 34 | 35 | 69 | 102 | 101 | 87 | 83 | 42 | 70 | |
Wind (km/h) | |||||||||||||||||||||
on | glassy | glassy | on | on | cross-on | on | cross-on | on | cross-on | on | cross-on | on | on | glassy | cross-on | glassy | cross-on | cross-on | glassy | glassy | |
High Tide | 7:43PM0.51m | 5:42AM0.20m | 8:44PM0.49m | 7:11AM0.18m | 9:49PM0.48m | 10:03AM0.19m | 10:46PM0.48m | 11:42AM0.26m | 11:32PM0.48m | 12:37PM0.35m | 00:12AM0.47m | 1:21PM0.45m | 00:49AM0.45m | ||||||||
Low Tide | 11:34AM-0.00m | 3:29AM0.16m | 12:13PM0.03m | 5:07AM0.14m | 5:42AM0.12m | 2:50PM0.11m | 6:04AM0.09m | 4:39PM0.13m | 6:25AM0.05m | 6:01PM0.13m | 6:49AM0.00m | 7:08PM0.12m | |||||||||
 | |  | | | | |  |  | | |  | | | |  | | | | | | |
 | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — |
 | — | 6:47 | — | — | 6:47 | — | — | 6:49 | — | — | 6:49 | — | — | 6:49 | — | — | 6:50 | — | — | 6:50 | — |
— | — | — | — | — | — | — | 1 | — | 1 | 2 | 3 | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 24 | 25 | 26 | 24 |
27 | 28 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 27 | 28 | 29 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 28 | 27 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | S 16 | SSW 16 | S 15 | SSW 15 | NW 14 | NW 13 | NW 12 | WNW 12 | SSW 15 | S 14 | SSW 4 | NW 11 | NW 12 | NW 12 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 14 |
 kJ | 30 | 131 | 144 | 109 | 121 | 116 | 109 | 95 | 96 | 71 | 107 | 4 | 29 | 25 | 37 | 102 | 101 | 87 | 83 | 42 | 70 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | NW 11 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | S 17 | SSW 14 | S 16 | NW 12 | NW 11 | NW 11 | SSW 13 | SSW 13 | SSW 19 | NW 12 | NW 11 | NW 11 | NW 11 | S 15 | S 11 |
| kJ | 61 | 29 | 73 | 108 | 106 | 101 | 151 | 61 | 129 | 47 | 31 | 30 | 34 | 35 | 69 | 35 | 32 | 18 | 30 | 42 | 22 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | S 11 | NW 10 | NW 16 | NW 15 | SSW 14 | SSW 13 | SSW 16 | SSW 12 | S 4 | NW 4 | SSW 12 | SSW 11 | WNW 10 | S 12 | SSW 10 | S 12 | S 12 | S 16 | NW 11 | S 15 |
| kJ | 42 | 21 | 15 | 42 | 80 | 62 | 34 | 90 | 29 | 1 | 3 | 28 | 23 | 10 | 27 | 9 | 11 | 11 | 45 | 18 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNW 3 | — | NW 4 | — | — | NW 4 | — | — | NNW 4 | — | SW 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | 8 | — | 1 | — | — | 1 | — | — | 2 | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 62 | 0 | 0 | 136 | 54 | 38 | 97 | 93 | 93 | 138 | 1 | 19 | 97 | 138 | 0 | 138 | 0 | 18 | 138 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Manini Beach 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.
Information about the Manini Beach Surf forecast
The above surf forecast table for Manini Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Manini Beach can be found by selecting the local surf guide option on the grey menu. Our Manini Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Manini Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Manini Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Manini Beach is 92 km (57 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.
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