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Surf Forecasts:

James Kealoha Beach Park surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 1 pm Sunday 18 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
James Kealoha Beach Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's James Kealoha Beach Park sea temperature is
25.3° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for James Kealoha Beach Park this week:

The surf forecast for James Kealoha Beach Park over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jan 18) at 8PM. The primary swell is predicted to be 0.7m and 17s period with a secondary swell of 1.2m and 7s. Another secondary swell of 1.1m and 11s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at James Kealoha Beach Park in the next 12 days are 0.7m 17s and forecast to arrive on Sunday (Jan 18) at 8PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 18th Jan)3.5ft (1.1m) 11s
Best Surf 8PM (Sun 18th Jan)3.5ft (1.1m) 11s
Most Powerful 8PM (Sun 18th Jan)3.5ft (1.1m) 11s

Table - best surf conditions forecast for James Kealoha Beach Park over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 24°C on Tue morning, min 21°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Fri night. Warm (max 23°C on Wed afternoon, min 22°C on Wed afternoon). Winds increasing (calm on Wed night, fresh winds from the NNW by Thu night).

Sun
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
3
3
1
1
2
2
1
1
0
0
1
1
0
0
0
0
0
0
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
N
0.7
NW
1.3
E
1.3
E
1.1
E
1.4
E
1.3
E
1.2
E
1.1
E
1.1
E
0.7
ENE
0.7
ESE
0.9
ESE
1.1
E
1.1
E
1.1
E
0.7
NNW
0.7
NNW
0.7
NNW
0.6
NNW
0.9
ESE
Period(s) (?)111677888887888888131212117
Wave
Graph
(?)Metric surfscale
Energy kJ (?)29225815916213822819115913313055631101491491461811501429391
Wind
(km/h)
10
ESE
10
ESE
15
SE
20
ESE
10
SSE
15
SE
25
ESE
5
SSW
10
E
10
NNE
5
W
5
E
15
N
20
N
15
NNE
20
N
15
NNE
15
NNE
5
E
5
WSW
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		crosscross-
on		glassglassonononononcross-
on		glassglasscross-
off
High Tide
/ height (m)
2:48PM
0.43
4:01AM
0.89
3:27PM
0.45
4:30AM
0.88
4:08PM
0.47
4:58AM
0.86
4:53PM
0.48
5:26AM
0.81
5:45PM
0.50
5:53AM
0.73
6:48PM
0.52
6:21AM
0.65
8:08PM
0.55
6:50AM
0.55
Low Tide
/ height (m)
8:50PM
-0.10
10:37AM
0.16
9:25PM
-0.08
11:06AM
0.14
10:00PM
-0.04
11:35AM
0.12
10:37PM
0.03
12:06PM
0.09
11:19PM
0.12
12:40PM
0.07
12:11AM
0.23
1:18PM
0.05
1:26AM
0.34
Sun
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunrise--6:56--6:56--6:56--6:56--6:56--6:56--6:56
Sunset6:02--6:04--6:04--6:05--6:06--6:06--6:07--
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
thunderstorm
light rain
thunderstorm
thunderstorm
clear
part cloud
Rain (mm)
-------------2-1421--
Temp. °C232323232324242322232222232223232322222223
Feels °C (?)212421202223212323242423241923222324232524
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for James Kealoha Beach Park at:
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Information about the James Kealoha Beach Park Surf forecast

The above surf forecast table for James Kealoha Beach Park provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at James Kealoha Beach Park can be found by selecting the local surf guide option on the grey menu. Our James Kealoha Beach Park 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 (James Kealoha Beach Park) 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 James Kealoha Beach Park 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.

James Kealoha Beach Park is 7 km (4 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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