Hakalau surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 7 am Tuesday 23 Dec 2025 HST
Forecast update in hr  min  s Forecast update imminent
Hakalau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hakalau sea temperature is
25.6° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Hakalau this week:

The surf forecast for Hakalau over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 30) at 11AM. The primary swell is predicted to be 2.2m and 15s period with a secondary swell of 1.3m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Hakalau in the next 12 days are 2.2m 15s and forecast to arrive on Tuesday (Dec 30) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 12s period and expected on Monday (Dec 29) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Tue 30th Dec)7ft (2.2m) 15s
Best Surf11AM (Tue 30th Dec)7ft (2.2m) 15s
Most Powerful11AM (Tue 30th Dec)7ft (2.2m) 15s

Table - best surf conditions forecast for Hakalau over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 7mm), mostly falling on Tue morning. Warm (max 24°C on Tue morning, min 21°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Fri morning. Warm (max 24°C on Sat morning, min 22°C on Fri morning). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
1
0
0
3
0
0
1
0
0
2
0
0
1
0
0
0
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
1.3
N
2.5
NE
1.9
NNE
1.9
NNE
1.7
NNE
1.9
NNE
1.8
NNE
1.8
NNE
1.6
NNE
1.8
NNE
1.7
NNE
1.5
NNE
1.3
NNE
1
NNE
1.3
ESE
1.1
ESE
1.1
SE
1.1
SE
1.3
ESE
1.3
ESE
1.4
NNW
Period(s) (?)109981013121212121211111088888817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)332102957550455311889028577309167805123662271861491511401862011189
Wind
(km/h)
20
E
20
E
15
E
15
E
15
ESE
15
SE
15
ESE
20
ESE
15
SSE
25
SE
20
SE
20
SSE
25
SE
20
SE
10
SSE
15
SE
25
SE
20
SE
25
SE
15
SE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
cross-
on
cross-
on
crosscross-
on
crosscrosscross-
on
cross-
on
cross
High Tide
/ height (m)
4:35PM
0.50
5:47AM
0.95
5:32PM
0.50
6:19AM
0.90
6:47PM
0.52
6:54AM
0.84
8:23PM
0.56
7:32AM
0.77
10:04PM
0.65
8:20AM
0.69
11:24PM
0.77
9:24AM
0.61
12:23AM
0.89
Low Tide
/ height (m)
12:11PM
0.34
10:24PM
0.15
12:49PM
0.32
11:03PM
0.23
1:28PM
0.29
11:52PM
0.33
2:10PM
0.26
1:03AM
0.43
2:56PM
0.21
3:01AM
0.52
3:45PM
0.17
5:22AM
0.52
4:37PM
0.11
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Sunrise6:50--6:52--6:52--6:52--6:52--6:52--6:54--
Sunset-5:46--5:47--5:47--5:49--5:49--5:50--5:50-
rain showers
rain showers
rain showers
clear
part cloud
part cloud
part cloud
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
cloud
light rain
Rain (mm)
322------1-------1--3
Temp. °C242322222222222322222322242423242423242423
Feels °C (?)242321212121222221212120222222232121222324
  • 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 Hakalau Surf forecast

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

Hakalau is 21 km (13 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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