Honokohau Harbour surfForecast / HAW – Big Island / USA

information circle16 Day Weather and Surf, issued 7 am Sunday 19 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Honokohau Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Honokohau Harbour sea temperature is
25.5° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Honokohau Harbour this week:

The surf forecast for Honokohau Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 20) at 5AM. The primary swell is predicted to be 0.6m and 14s period with a secondary swell of 0.4m and 4s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Honokohau Harbour in the next 16 days are 1.0m 14s and forecast to arrive on Wednesday (Apr 22) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Saturday (Apr 25) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 20th Apr)2ft (0.6m) 14s
Best Surf11PM (Tue 21st Apr)2.5ft (0.8m) 16s
Most Powerful 8AM (Wed 22nd Apr)3.5ft (1.0m) 14s

Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Sun morning, min 23°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Wed night. Warm (max 26°C on Thu morning, min 24°C on Wed morning). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
1
1
0
2
1
0
1
1
1
1
2
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
W
0.5
W
0.5
W
0.5
W
0.6
W
0.6
W
0.7
W
0.5
W
0.8
W
1
NNE
1
NNE
0.9
NNE
0.7
W
0.7
W
0.9
NNE
0.7
WNW
0.7
WNW
0.7
WNW
0.5
SW
0.5
SW
0.5
SW
Period(s) (?)141413141313141514141312131310141312161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)37968797123121189121268352336229171168146213181152119121107
Wind
(km/h)
10
W
10
SW
5
S
10
NW
10
WNW
10
SW
5
WSW
5
W
10
SSW
10
WNW
10
NW
10
S
15
NW
10
SSW
10
NNW
10
SW
5
WSW
10
NE
10
SW
10
SSW
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
crosscross-
on
cross-
on
cross-
on
onglasscross-
on
oncross-
on
crosscross-
on
crosscrosscross-
on
glasscross-
off
cross-
on
crosscross-
on
High Tide
/ height (m)
5:46PM
0.71
5:26AM
0.19
6:42PM
0.69
6:27AM
0.15
7:43PM
0.66
7:57AM
0.14
8:49PM
0.63
9:50AM
0.16
9:55PM
0.60
11:19AM
0.22
10:57PM
0.56
12:20PM
0.30
11:51PM
0.52
Low Tide
/ height (m)
10:17AM
-0.07
1:12AM
0.07
10:56AM
-0.05
2:30AM
0.07
11:42AM
-0.01
3:48AM
0.06
12:42PM
0.04
4:53AM
0.04
2:08PM
0.09
5:41AM
0.02
3:50PM
0.12
6:18AM
0.00
5:21PM
0.12
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunrise6:03--6:01--6:01--6:01--6:00--5:58--5:58--
Sunset-6:43--6:43--6:43--6:44--6:44--6:44--6:45-
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
rain showers
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
Rain (mm)
-----------1---------
Temp. °C252525252524252524242524262624252424252525
Feels °C (?)272727272627282827272828272826272627262727
  • 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 Honokohau Harbour Surf forecast

The above surf forecast table for Honokohau Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Honokohau Harbour can be found by selecting the local surf guide option on the grey menu. Our Honokohau Harbour 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 (Honokohau Harbour) 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 Honokohau Harbour 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.

Honokohau Harbour is 99 km (61 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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