Waipio Bay surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 1 pm Saturday 29 Nov 2025 HST
Forecast update in hr  min  s Forecast update imminent
Waipio Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waipio Bay sea temperature is
26.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Waipio Bay this week:

The most powerful waves expected at Waipio Bay in the next 12 days are 1.8m 18s and forecast to arrive on Sunday (Nov 30) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 8s period and expected on Tuesday (Dec 02) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Sun 30th Nov)6ft (1.8m) 18s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Sat afternoon, min 22°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Thu morning, min 23°C on Tue night). Wind will be generally light.

Sat
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
2
0
1
3
2
1
2
1
0
1
0
0
0
0
0
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
NW
1.6
NW
1.8
NW
1.8
NW
1.8
NW
1.7
NW
1.6
NW
1.5
NW
1.2
NW
1.1
NW
1
NW
0.9
NW
0.9
NW
0.9
NW
0.8
NW
1.7
E
1
NW
2.1
E
2.4
E
1.3
NNW
1.2
NNW
Period(s) (?)211818171616151414131312121211613781514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)162148721001984175014201187928573412326220216202147180352474635674529
Wind
(km/h)
10
ENE
10
ESE
20
E
15
E
10
ESE
15
E
15
E
15
ESE
15
ENE
10
E
10
ESE
15
ENE
20
E
15
ESE
20
E
20
E
20
ESE
30
E
25
E
20
ESE
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
11:56PM
0.67
10:30AM
0.65
12:42AM
0.80
11:24AM
0.60
1:25AM
0.93
12:15PM
0.56
2:08AM
1.02
1:04PM
0.52
2:51AM
1.08
1:50PM
0.50
3:34AM
1.10
2:34PM
0.47
4:18AM
1.09
Low Tide
/ height (m)
4:52PM
0.17
5:20AM
0.45
5:27PM
0.10
6:45AM
0.42
6:03PM
0.04
7:52AM
0.38
6:41PM
-0.01
8:48AM
0.34
7:21PM
-0.05
9:40AM
0.32
8:01PM
-0.07
10:29AM
0.31
8:43PM
-0.06
11:18AM
0.31
Sat
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Sunrise--6:39--6:41--6:41--6:41--6:41--6:43--6:43
Sunset5:40--5:40--5:40--5:40--5:40--5:40--5:42--
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C252325252325252325242325252326252426262425
Feels °C (?)272423252225252325252525252326252323232324
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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Information about the Waipio Bay Surf forecast

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

Waipio Bay is 68 km (42 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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