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Hilo Breakwall Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Hilo Breakwall surfForecast / HAW – Big Island / USA
16 Day Weather and Surf, issued 7 am Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Hilo Breakwall surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hilo Breakwall sea temperature is
25.9° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Hilo Breakwall this week:
The surf forecast for Hilo Breakwall over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 18) at 11PM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.1m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hilo Breakwall in the next 16 days are 2.5m 8s and forecast to arrive on Thursday (May 21) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 9s period and expected on Wednesday (May 20) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 18th May) | 5ft (1.6m) 8s |
| Best Surf | 11PM (Mon 18th May) | 5ft (1.6m) 8s |
| Most Powerful | 5AM (Thu 21st May) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Hilo Breakwall over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 56mm), heaviest during Wed morning. Warm (max 25°C on Mon morning, min 23°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 20mm), heaviest during Thu morning. Warm (max 24°C on Thu afternoon, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | |
393 | 343 | 309 | 302 | 302 | 219 | 547 | 632 | 721 | 694 | 711 | 698 | 626 | 560 | 538 | 481 | 522 | 567 | 554 | 469 | 439 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross | glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 5:10PM0.92m | 4:13AM0.32m | 6:04PM0.87m | 5:13AM0.29m | 7:00PM0.82m | 6:35AM0.27m | 7:59PM0.75m | 8:21AM0.29m | 8:56PM0.69m | 10:06AM0.36m | 9:48PM0.64m | 11:24AM0.45m | 10:33PM0.58m | ||||||||
Low Tide | 9:37AM-0.21m | 00:09AM0.16m | 10:23AM-0.16m | 1:16AM0.17m | 11:15AM-0.09m | 2:25AM0.16m | 12:15PM0.01m | 3:28AM0.13m | 1:29PM0.11m | 4:18AM0.09m | 3:00PM0.20m | 4:57AM0.05m | 4:33PM0.25m | ||||||||
 |  |  | | | | | | | | | | |  | | | | | |  | | |
 | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — |
 | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:51 | — | — | 6:51 | — | — | 6:52 | — | — | 6:52 | — |
6 | 8 | 6 | 2 | 5 | 11 | 8 | 3 | 7 | 3 | 2 | 3 | 2 | — | 2 | 3 | 1 | 4 | — | — | 6 | |
Temp °C | 25 | 25 | 24 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 23 | 23 | 24 | 23 | 23 | 24 | 23 | 24 | 24 | 23 |
27 | 27 | 27 | 27 | 25 | 26 | 26 | 25 | 25 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 25 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 |
 kJ | 393 | 343 | 309 | 302 | 302 | 219 | 547 | 632 | 576 | 694 | 711 | 698 | 626 | 560 | 538 | 481 | 522 | 567 | 554 | 469 | 439 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 9 | NW 12 | NW 13 | NNW 11 | ESE 8 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | SSE 13 | SSE 12 | SSE 12 | SE 12 | NNW 11 | NNW 11 | NNW 10 | NNW 15 | NNW 13 | NNW 13 | NNW 12 |
| kJ | 9 | 8 | 6 | 7 | 12 | 151 | 27 | 28 | 23 | 11 | 16 | 15 | 14 | 6 | 12 | 11 | 11 | 21 | 17 | 16 | 14 |
Swell 3 Height (m) Direction Period (s) | NW 15 | NW 14 | N 9 | NW 11 | SE 15 | NNW 13 | SE 14 | SSE 14 | SSE 13 | SSE 13 | NNW 10 | NNW 10 | NW 10 | NNW 10 | SE 12 | SE 12 | SE 11 | NW 10 | NW 10 | NW 10 | S 14 |
| kJ | 9 | 8 | 2 | 5 | 9 | 17 | 8 | 19 | 18 | 17 | 10 | 9 | 4 | 11 | 6 | 6 | 5 | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 8 | — | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 488 | — | 721 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 172 | 94 | 0 | 172 | 94 | 3 | 175 | 94 | 96 | 181 | 95 | 94 | 181 | 95 | 94 | 181 | 95 | 3 | 101 | 101 | 3 |
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 Hilo Breakwall 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 Hilo Breakwall Surf forecast
The above surf forecast table for Hilo Breakwall provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hilo Breakwall can be found by selecting the local surf guide option on the grey menu. Our Hilo Breakwall 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 (Hilo Breakwall) 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 Hilo Breakwall 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.
Hilo Breakwall is 3 km (2 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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