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Kawaihae Breakwater Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kawaihae Breakwater surfForecast / HAW – Big Island / USA
16 Day Weather and Surf, issued 1 am Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
Kawaihae Breakwater surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kawaihae Breakwater sea temperature is
26.1° C
(Which is 1.0°C warmer than normal for this time of year)Best Forecast Surf Conditions for Kawaihae Breakwater this week:
The surf forecast for Kawaihae Breakwater over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 18) at 2PM. The primary swell is predicted to be 0.3m and 19s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Kawaihae Breakwater in the next 16 days are 0.3m 19s and forecast to arrive on Monday (May 18) at 2PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Friday (May 22) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Mon 18th May) | 1ft (0.3m) 19s |
| Best Surf | 2PM (Mon 18th May) | 1ft (0.3m) 19s |
| Most Powerful | 2PM (Mon 18th May) | 1ft (0.3m) 19s |
Table - best surf conditions forecast for Kawaihae Breakwater over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon morning. Warm (max 27°C on Mon afternoon, min 23°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Thu morning, min 22°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
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 |  |  |  |  |  |  |  | ||||||||||||||
SSW 19 | SSW 13 | NNE 5 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 16 | SSW 13 | SW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | NE 8 | SSW 15 | NW 10 | NW 13 | NW 13 | NW 12 | |
37 | 17 | 0 | 19 | 20 | 21 | 20 | 18 | 26 | 16 | 8 | 21 | 20 | 19 | 17 | 0 | 23 | 4 | 7 | 6 | 6 | |
Wind (km/h) | |||||||||||||||||||||
off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 5:53PM0.86m | 5:55AM0.19m | 6:45PM0.82m | 7:04AM0.19m | 7:40PM0.76m | 8:29AM0.21m | 8:36PM0.69m | 10:01AM0.26m | 9:31PM0.62m | 11:21AM0.34m | 10:25PM0.55m | 12:21PM0.44m | 11:16PM0.48m | ||||||||
Low Tide | 10:16AM-0.08m | 1:26AM0.02m | 11:03AM-0.04m | 2:26AM0.03m | 11:55AM0.01m | 3:24AM0.03m | 12:58PM0.09m | 4:17AM0.03m | 2:19PM0.16m | 5:00AM0.02m | 3:58PM0.22m | 5:37AM0.02m | 5:36PM0.24m | ||||||||
 |  |  |  | | | |  | | | | | | | | | | | | |  | |
 | 5:46 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:43 | — | — | 5:43 | — | — |
 | — | 6:52 | — | — | 6:53 | — | — | 6:53 | — | — | 6:53 | — | — | 6:54 | — | — | 6:54 | — | — | 6:55 | — |
1 | 2 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 27 | 25 | 27 | 26 | 25 | 26 | 26 | 24 | 25 | 25 | 23 | 25 | 24 | 23 | 25 | 25 | 23 | 25 | 25 | 24 |
28 | 30 | 27 | 29 | 29 | 26 | 26 | 26 | 23 | 24 | 23 | 20 | 23 | 21 | 20 | 22 | 22 | 21 | 24 | 24 | 22 | |
Swell 1 Height (m) Direction Period (s) | NE 6 | NE 6 | NNE 5 | NE 5 | NE 6 | NNE 5 | NE 7 | NE 8 | SSW 13 | SSW 13 | S 15 | SSW 15 | SSW 14 | NE 9 | S 16 | NE 8 | NE 9 | S 14 | NE 8 | NE 8 | NE 8 |
 kJ | 54 | 75 | 17 | 23 | 32 | 17 | 105 | 145 | 17 | 16 | 18 | 21 | 20 | 59 | 21 | 166 | 216 | 16 | 166 | 192 | 100 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | SSW 13 | NE 7 | NE 7 | NE 7 | NE 8 | SSW 14 | SSW 13 | SSW 16 | S 16 | SW 14 | S 12 | S 18 | SSW 14 | SSW 13 | S 16 | SSW 15 | N 15 | S 14 | S 13 | S 13 |
| kJ | 37 | 17 | 14 | 13 | 13 | 23 | 20 | 18 | 26 | 5 | 8 | 3 | 6 | 19 | 17 | 20 | 23 | 4 | 15 | 14 | 13 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SW 19 | NNE 6 | SSW 14 | SSW 14 | SSW 14 | NNW 12 | NNW 12 | N 11 | N 11 | N 10 | N 10 | N 11 | S 18 | NW 11 | S 13 | NW 10 | NW 10 | NW 13 | NW 13 | NW 12 |
| kJ | 17 | 15 | 7 | 19 | 20 | 21 | 14 | 14 | 9 | 2 | 2 | 2 | 2 | 6 | 5 | 13 | 4 | 4 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 6 | NE 9 | — | — | NE 9 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 132 | 147 | 154 | 184 | 192 | 51 | 174 | — | — | 170 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 88 | 54 | 87 | 88 | 88 | 47 | 35 | 98 | 91 | 98 | 46 | 35 | 98 | 49 | 35 | 35 | 46 | 35 | 88 | 35 | 35 |
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 Kawaihae Breakwater 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 Kawaihae Breakwater Surf forecast
The above surf forecast table for Kawaihae Breakwater provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kawaihae Breakwater can be found by selecting the local surf guide option on the grey menu. Our Kawaihae Breakwater 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 (Kawaihae Breakwater) 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 Kawaihae Breakwater 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.
Kawaihae Breakwater is 87 km (54 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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