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

information circle16 Day Weather and Surf, issued 7 am Thursday 21 May 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
25.9° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 26) at 11PM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.9m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at James Kealoha Beach Park in the next 16 days are 2.3m 9s and forecast to arrive on Thursday (May 21) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 13s period and expected on Thursday (May 21) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 26th May)5ft (1.5m) 8s
Best Surf11PM (Tue 26th May)5ft (1.5m) 8s
Most Powerful11PM (Thu 21st May)7.5ft (2.3m) 9s

Table - best surf conditions forecast for James Kealoha Beach Park over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 22mm), heaviest during Thu night. Warm (max 24°C on Thu morning, min 22°C on Fri morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 37mm), heaviest during Sun afternoon. Warm (max 24°C on Sun morning, min 22°C on Sun night). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
2
1
0
2
1
0
1
0
0
0
0
0
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.3
ENE
9
2.2
ENE
9
2.3
ENE
9
2
ENE
9
2.1
ENE
8
2.1
ENE
8
2.4
ENE
8
2.1
NE
8
2
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.7
ENE
8
1.5
NE
8
1.7
ENE
7
1.6
ENE
7
1.4
NE
8
1.5
NE
8
1.7
ENE
7
1.6
ENE
7
1.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
809
705
821
601
630
616
787
613
553
479
498
456
348
270
297
272
233
250
310
279
202
Wind (km/h)
20
NE
15
NNE
15
NE
15
NNE
25
NNE
10
NNE
20
NNE
20
NE
10
NE
15
NE
15
NE
5
NNE
15
NE
20
NE
10
NE
20
ENE
15
NE
5
W
10
ENE
15
NE
5
SE
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross
cross-on
glassy
cross-on
cross-on
glassy
High Tide
7:59PM0.75m
8:21AM0.29m
8:56PM0.69m
10:06AM0.36m
9:48PM0.64m
11:24AM0.45m
10:33PM0.58m
12:20PM0.55m
11:14PM0.53m
1:03PM0.65m
11:50PM0.48m
1:39PM0.72m
00:25AM0.44m
Low Tide
12:15PM0.01m
3:28AM0.13m
1:29PM0.11m
4:18AM0.09m
3:00PM0.20m
4:57AM0.05m
4:33PM0.25m
5:30AM0.01m
5:54PM0.27m
5:59AM-0.03m
7:00PM0.27m
6:26AM-0.06m
7:55PM0.26m
rain showers
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:41
5:41
5:41
5:41
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:51
6:51
6:52
6:52
6:52
6:52
1
4
2
2
5
2
2
4
3
5
8
2
2
10
6
1
3
6
Temp °C
24
24
23
23
23
23
23
24
23
24
23
23
23
24
23
23
24
24
23
24
23
23
23
22
22
21
21
22
22
24
24
23
23
22
24
23
23
23
25
24
25
25
Swell 1
Height (m)
Direction
Period (s)
2.3
ENE
9
2.2
ENE
9
2.3
ENE
9
2
ENE
9
0.1
SE
12
2.1
ENE
8
2.2
NE
8
2.1
NE
8
2
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.7
ENE
8
1.5
NE
8
1.7
ENE
7
1.6
ENE
7
1.4
NE
8
1.5
NE
8
1.7
ENE
7
1.6
ENE
7
1.4
ENE
7
Energy kJ
809
705
821
601
6
616
647
613
553
479
498
456
348
270
297
272
233
250
310
279
202
Swell 2
Height (m)
Direction
Period (s)
0.2
NNW
11
0.2
SSE
13
0.2
SSE
12
0.2
SSE
12
0.1
NW
11
0.2
NNW
11
0.2
NNW
11
0.2
NNW
17
0.3
NNW
15
0.4
NW
13
0.3
NNW
13
0.2
NNW
12
0.2
NNW
11
0.7
ESE
7
0.2
NNW
11
0.1
NW
10
0.9
ESE
7
0.9
ESE
7
0.2
NNW
16
0.6
ESE
8
0.6
ESE
8
Energy kJ
11
16
14
14
4
12
11
27
42
46
33
14
12
41
11
4
68
68
25
40
40
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
13
0.2
NNW
10
0.2
NNW
10
0.1
NW
10
0.1
S
18
0.1
SE
12
0.1
NW
18
0.2
NNW
10
0.1
NW
10
0.1
NW
10
0.1
NW
10
0.1
S
14
0.1
S
14
0.2
NNW
11
0.1
S
13
0.1
S
12
0.1
NW
10
0.1
NW
18
0.1
N
10
0.2
NNW
15
0.2
NNW
14
Energy kJ
17
10
9
4
6
6
13
11
4
4
4
4
4
12
3
3
4
13
2
21
18
Wind waves
Height (m)
Direction
Period (s)
2.1
ENE
8
2.4
ENE
8
1.4
NE
7
Energy kJ
630
787
215
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
2
3
3
1
2
2
1
2
1
2
2
2
2
2
Distance (km)
185
99
100
185
100
100
185
99
2
2
99
7
2
99
2
177
2
0
2
2
0
Best forecast wave conditions in Big Island
Rating
(10 max)
2
2
2
2
2
3
3
1
2
2
1
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
2
2
3
2
4
3
2
3
3
1
3
2
1
3
2
2
4
3
2
4
Header Global
Rating
(10 max)
5
7
6
5
6
8
5
5
6
5
5
4
4
5
5
5
5
5
9
8
9
  • 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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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 16 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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