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Surf Forecasts

Kapoho Bay surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 1 am Monday 03 Mar 2025 HST
Forecast update in hr  min  s Forecast update imminent
Kapoho Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kapoho Bay sea temperature is
24.9° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Kapoho Bay this week:

The surf forecast for Kapoho Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Mar 04) at 8PM. The primary swell is predicted to be 2.1m and 8s period with a secondary swell of 0.3m and 13s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Kapoho Bay in the next 12 days are 2.5m 9s and forecast to arrive on Friday (Mar 07) 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 1.3m 9s period and expected on Thursday (Mar 06) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 4th Mar)7ft (2.1m) 8s
Best Surf 8PM (Tue 4th Mar)7ft (2.1m) 8s
Most Powerful 8AM (Fri 7th Mar)8ft (2.5m) 9s

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

Hourly12 Days
Big Island Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
1
0
0
0
0
1
0
1
0
1
0
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
ESE
1.6
E
2
E
1.8
ESE
2.2
E
2.2
E
2.2
E
2.4
E
2.3
E
2.1
E
2
E
1.9
ESE
2.5
E
2.4
E
2.3
E
2.2
E
2.1
E
2
E
2.1
E
1.7
ESE
1.8
ESE
2
E
1.9
ESE
1.5
ESE
1.7
ENE
2.2
E
2.1
E
1.9
E
1.9
E
1.8
E
1.6
E
1.7
E
1.7
E
1.7
E
1.7
E
1.7
E
Period(s) (?)8888888899910999998888888888888889999
Wave
Graph
(?)Metric surfscale
Energy (?)2953415274486386396548178287316906181104963861753671572569402448562483329363638596488488450356409440440440435
Wind
(km/h)
20
NE
30
NNE
25
NE
25
NE
25
NE
20
NE
25
ENE
20
ENE
20
ENE
15
E
10
E
25
ENE
20
ENE
20
ENE
20
NE
25
NE
25
NE
20
NE
25
NE
30
ENE
20
ENE
15
ENE
25
ENE
20
NE
20
ENE
25
ENE
20
E
15
E
20
E
10
ESE
15
ESE
15
E
10
SE
15
ESE
15
E
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		ononcross-
on		cross-
on		cross-
on		crosscross-
on		crosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononononononcross-
on
High Tide
/ height (m)
6:19PM
0.88
5:39AM
0.68
7:20PM
0.85
6:03AM
0.57
8:42PM
0.82
6:03AM
0.48
10:30PM
0.82
11:58PM
0.86
11:54AM
0.42
12:55AM
0.90
12:58PM
0.49
1:36AM
0.93
1:39PM
0.56
2:09AM
0.95
2:13PM
0.64
2:37AM
0.95
2:45PM
0.71
3:02AM
0.93
3:15PM
0.77
3:26AM
0.89
3:45PM
0.82
3:48AM
0.84
Low Tide
/ height (m)
11:33AM
0.07
12:25AM
0.35
12:07PM
0.10
1:42AM
0.44
12:47PM
0.15
4:35AM
0.47
1:45PM
0.20
3:29PM
0.24
7:47AM
0.33
5:17PM
0.23
8:05AM
0.28
6:28PM
0.19
8:25AM
0.24
7:18PM
0.15
8:45AM
0.21
7:59PM
0.13
9:04AM
0.18
8:36PM
0.13
9:22AM
0.15
9:10PM
0.14
9:41AM
0.13
9:44PM
0.17
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Sunrise6:37--6:35--6:35--6:35--6:33--6:33--6:31--6:31--6:31--6:30--6:28--6:28--
Sunset-6:24--6:24--6:24--6:25--6:25--6:25--6:27--6:27--6:27--6:28--6:28--6:28-
cloudpart cloudrain showersrain showersclearrain showersclearrain showersrain showerspart cloudclearrain showerspart cloudpart cloudrain showersrain showersclearrain showersrain showersrain showersrain showersrain showersrain showersrain showersclearthunderstorm thunderstorm rain showersclearthunderstorm clearclearclearclearclearclear
Rain (mm)
--31-2-11--10--22-4132144-171-1------
Temp. °C232423242423242423242423242423232323232323222323232423242423242423242423
Feels °C (?)212120222222212221222321212122212121212120222121222322242323242324252525

Short Range Forecast: Light rain (total 8mm), mostly falling on Mon night. Warm (max 24°C on Mon afternoon, min 22°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Thu night. Warm (max 24°C on Thu morning, min 22°C on Thu night). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 23mm), heaviest during Sun afternoon. Warm (max 24°C on Tue afternoon, min 22°C on Sun afternoon). Mainly fresh winds.

Long Range Forecast: Light rain (total 2mm), mostly falling on Wed morning. Warm (max 24°C on Wed morning, min 22°C on Wed night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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View detailed surf forecast for Kapoho Bay at:
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Information about the Kapoho Bay Surf forecast

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

Kapoho Bay is 37 km (23 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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