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

information circle16 Day Weather and Surf, issued 7 pm Sunday 10 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
25.8° 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 12) at 11PM. The primary swell is predicted to be 1.5m and 7s period with a secondary swell of 0.5m and 10s. 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 1.9m 8s and forecast to arrive on Sunday (May 17) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 12th May)5ft (1.5m) 7s
Best Surf11PM (Thu 14th May)5.5ft (1.7m) 8s
Most Powerful 2PM (Sun 17th May)6ft (1.9m) 8s

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

Moderate rain (total 12mm), heaviest on Tue morning. Warm (max 24°C on Sun night, min 23°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 46mm), heaviest during Fri morning. Warm (max 24°C on Thu morning, min 23°C on Wed night). Wind will be generally light.

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sun
17
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
2
1
0
0
1
0
2
1
1
2
0
0
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
E
8
1.1
E
8
1.2
E
8
1.3
E
8
1.6
E
7
1.6
E
7
1.4
E
7
1.8
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.7
E
8
1.2
ESE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
1.9
ENE
8
1.9
E
8
Wave Graph
Metric surfscale
Energy kJ
157
165
190
191
229
269
212
367
391
359
355
377
207
383
392
402
350
361
361
522
517
Wind (km/h)
10
NNE
15
NNE
20
NE
10
NNE
15
NE
15
NE
5
NNW
15
ENE
10
NE
10
NE
15
ENE
15
NE
5
NNE
15
ENE
15
ENE
5
NE
10
ENE
10
NE
5
WNW
10
NE
10
E
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
cross
cross-on
cross-on
cross
cross-on
glassy
cross
cross
glassy
cross-on
cross-on
glassy
cross-on
cross
High Tide
10:36PM0.62m
11:50AM0.46m
11:18PM0.61m
12:36PM0.58m
11:58PM0.58m
1:19PM0.70m
00:37AM0.55m
2:02PM0.81m
1:17AM0.50m
2:46PM0.89m
1:57AM0.45m
3:31PM0.94m
2:39AM0.40m
4:19PM0.95m
Low Tide
5:37AM0.06m
5:10PM0.20m
6:03AM-0.00m
6:19PM0.19m
6:31AM-0.08m
7:20PM0.18m
7:02AM-0.14m
8:18PM0.16m
7:36AM-0.20m
9:13PM0.15m
8:13AM-0.23m
10:09PM0.15m
8:53AM-0.24m
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
thunderstorm
rain showers
rain showers
rain showers
clear
rain showers
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:45
5:45
5:43
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:46
6:46
6:46
6:47
6:47
6:49
6:49
3
1
1
2
2
1
1
1
9
5
2
5
7
7
8
3
2
1
Temp °C
24
24
24
23
23
24
24
24
24
23
24
24
23
24
24
24
24
24
24
24
25
25
24
24
23
23
24
25
26
24
24
24
24
24
25
25
25
25
24
27
27
27
Swell 1
Height (m)
Direction
Period (s)
1.1
E
8
1.1
E
8
1.2
E
8
1.3
E
8
1.2
E
7
1.6
E
7
1.4
E
7
1.5
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.7
E
8
1.3
NE
7
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
1.9
ENE
8
1.9
E
8
Energy kJ
157
165
190
191
150
269
212
253
391
359
355
377
171
383
392
402
350
361
361
522
517
Swell 2
Height (m)
Direction
Period (s)
0.5
NNW
10
0.7
N
10
0.6
N
10
0.4
NNW
10
0.5
NNE
5
0.5
N
11
0.4
NNW
10
0.3
NNW
10
0.3
NNW
10
0.3
NNW
9
0.4
N
9
0.4
N
8
1.2
ESE
8
0.4
NNW
14
0.4
NNW
13
0.4
NW
12
0.4
NW
11
0.2
NNW
11
0.3
NNW
11
0.3
NNW
11
0.3
NNW
10
Energy kJ
59
100
80
34
15
63
39
18
18
17
25
23
207
71
67
37
33
12
25
23
22
Swell 3
Height (m)
Direction
Period (s)
0.4
N
6
0.1
NW
12
0.1
SE
12
0.1
SE
12
0.4
NNW
13
0.3
N
7
0.4
N
6
0.2
N
12
0.2
N
12
0.1
N
12
0.2
NNW
17
0.4
NW
16
0.4
NNW
15
0.3
N
8
0.3
N
8
0.2
NNW
15
0.2
NNW
14
0.2
NNW
13
0.2
SSE
11
0.2
SSE
10
0.1
S
10
Energy kJ
11
6
6
6
55
9
12
11
11
3
28
67
86
12
12
22
21
18
12
11
2
Wind waves
Height (m)
Direction
Period (s)
1.6
E
7
1.8
E
8
Energy kJ
229
367
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
1
1
1
1
1
2
2
2
2
2
2
2
1
3
Distance (km)
99
177
99
99
2
100
0
179
383
177
177
2
0
2
2
0
2
2
0
177
2
Best forecast wave conditions in Big Island
Rating
(10 max)
1
1
1
1
1
2
1
2
2
2
2
2
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
1
3
1
1
3
1
1
4
3
3
4
3
3
4
2
2
2
1
4
Header Global
Rating
(10 max)
5
4
9
9
9
9
9
7
8
5
5
6
5
5
5
5
5
5
5
5
4
  • Map Icons:
  • Break
  • 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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