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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
48hr Weather and Surf, issued 1 pm 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)How big are the waves at Hilo Breakwall today?
The current surf forecast for Hilo Breakwall at 7PM is: 1.6m 8s primary swell from a East direction and 0.2m 9s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 18). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 8s |
| Afternoon (18 May) | 5.5ft (1.7m) | 8s |
| Evening (18 May) | 5ft (1.6m) | 8s |
Table - waves today at Hilo Breakwall. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 42mm), heaviest during Wed morning. Warm (max 25°C on Mon afternoon, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | |
393 | 386 | 343 | 351 | 309 | 309 | 302 | 302 | 334 | 343 | 343 | 403 | 193 | 254 | 323 | 372 | 616 | 631 | 647 | 662 | 647 | 632 | 847 | 867 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | glassy | glassy | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross-on | cross-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 | ||||||||||||||||||
Low Tide | 9:37AM-0.21m | 00:09AM0.16m | 10:23AM-0.16m | 1:16AM0.17m | 11:15AM-0.09m | 2:25AM0.16m | ||||||||||||||||||
 | | |  | | | | |  |  | | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | 6:51 |
3 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | — | 1 | 3 | 2 | 2 | 3 | 4 | 5 | 3 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | |
Temp °C | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
26 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 27 | 26 | 27 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
 kJ | 393 | 386 | 343 | 351 | 309 | 309 | 302 | 302 | 334 | 343 | 343 | 403 | 193 | 200 | 323 | 372 | 616 | 631 | 647 | 662 | 647 | 632 | 660 | 694 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 9 | NNW 9 | NNW 9 | N 9 | NW 12 | NW 12 | NW 12 | NNW 13 | NW 11 | NNW 11 | NNW 12 | ESE 8 | NE 9 | ESE 9 | ESE 9 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 |
| kJ | 9 | 8 | 8 | 8 | 2 | 6 | 6 | 6 | 16 | 5 | 12 | 14 | 217 | 193 | 137 | 158 | 27 | 28 | 28 | 26 | 23 | 23 | 23 | 22 |
Swell 3 Height (m) Direction Period (s) | NW 15 | NW 15 | NW 14 | NW 13 | NW 13 | N 9 | N 9 | N 8 | S 15 | N 14 | SE 15 | SE 15 | NNW 12 | NNW 13 | NNW 11 | NNW 11 | SE 14 | SE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 |
| kJ | 9 | 9 | 8 | 7 | 7 | 2 | 2 | 1 | 4 | 4 | 9 | 9 | 14 | 17 | 11 | 11 | 8 | 8 | 19 | 19 | 18 | 18 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 8 | — | — | ENE 9 | — | — | — | — | — | ENE 8 | ENE 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 254 | — | — | 536 | — | — | — | — | — | 847 | 867 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 172 | 84 | 101 | 0 | 0 | 0 | 0 | 94 | 172 | 175 | 172 | 95 | 3 | 3 | 3 | 3 | 3 | 181 | 3 | 3 | 95 | 3 | 94 | 96 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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