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Halape surfForecast / HAW – Big Island / USA
12 Day Weather and Surf, issued 7 am Thursday 18 Sep 2025 HST
Best Forecast Surf Conditions for Halape this week:
The most powerful waves expected at Halape in the next 12 days are 0.8m 16s and forecast to arrive on Saturday (Sep 20) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 9s period and expected on Sunday (Sep 21) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Sat 20th Sep) | 2.5ft (0.8m) 16s |
Table - best surf conditions forecast for Halape over the next 12 days.
Short Range Forecast Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 31°C on Fri morning, min 25°C on Sat night). Mainly strong winds. | Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Tue afternoon. Warm (max 28°C on Mon morning, min 24°C on Sun night). Winds decreasing (fresh winds from the E on Mon afternoon, light winds from the ENE by Tue morning). | ||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 7 | 8 | 8 | 7 | 18 | 16 | 16 | 15 | 14 | 14 | 8 | 7 | 8 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 8 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 228 | 234 | 191 | 125 | 178 | 273 | 337 | 225 | 218 | 143 | 181 | 99 | 217 | 86 | 86 | 79 | 186 | 114 | 88 | 79 | 90 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- on | cross | cross | cross- on | cross- on | cross |
High Tide / height (m) | 1:51PM 0.93 | 2:08AM 0.64 | 2:23PM 0.92 | 2:42AM 0.72 | 2:51PM 0.89 | 3:13AM 0.79 | 3:17PM 0.85 | 3:44AM 0.84 | 3:42PM 0.79 | 4:14AM 0.87 | 4:05PM 0.73 | 4:45AM 0.87 | 4:27PM 0.66 | ||||||||
Low Tide / height (m) | 8:28PM 0.16 | 7:52AM 0.14 | 8:50PM 0.13 | 8:32AM 0.13 | 9:11PM 0.11 | 9:10AM 0.14 | 9:31PM 0.09 | 9:46AM 0.17 | 9:51PM 0.09 | 10:22AM 0.20 | 10:11PM 0.09 | 10:59AM 0.25 | 10:32PM 0.11 | ||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| Sunrise | 6:09 | - | - | 6:09 | - | - | 6:09 | - | - | 6:09 | - | - | 6:09 | - | - | 6:09 | - | - | 6:09 | - | - |
| Sunset | - | 6:21 | - | - | 6:20 | - | - | 6:19 | - | - | 6:17 | - | - | 6:16 | - | - | 6:15 | - | - | 6:15 | - |
 |  |  | | |  | |  | | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 2 | - | - | 1 | 1 | - | - | - | - | 2 | - | - | - | - |
| Temp. °C | 29 | 28 | 27 | 31 | 31 | 28 | 28 | 27 | 26 | 27 | 27 | 26 | 28 | 28 | 25 | 28 | 27 | 25 | 28 | 28 | 25 |
| Feels °C (?) | 26 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 27 | 26 | 25 | 25 | 23 | 27 | 25 | 24 | 25 | 26 | 23 |
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Recent Eyeball Surf Reports for HAW - Big Island
Continuing clean conditions at Halape (calm at Hawaiian Paradise Park wx 49 km from Halape). 1.6m 7s swell from the E to make surfable waves.
49 km away, 2 h 7 min ago
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 Halape 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 Halape Surf forecast
The above surf forecast table for Halape provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Halape can be found by selecting the local surf guide option on the grey menu. Our Halape 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 (Halape) 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 Halape 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.
Halape is 54 km (34 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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