Waipio Bay surfForecast / HAW – Big Island / USA

information circle16 Day Weather and Surf, issued 1 am Saturday 04 Apr 2026 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
24.4° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Waipio Bay this week:

The surf forecast for Waipio Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Apr 07) at 11PM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Waipio Bay in the next 16 days are 1.7m 8s and forecast to arrive on Thursday (Apr 09) at 11PM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 7th Apr)3.5ft (1.0m) 7s
Best Surf 2AM (Thu 9th Apr)4.5ft (1.3m) 8s
Most Powerful11PM (Thu 9th Apr)5.5ft (1.7m) 8s

Table - best surf conditions forecast for Waipio Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 24°C on Sun morning, min 21°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Thu morning. Warm (max 25°C on Tue morning, min 22°C on Wed night). Wind will be generally light.

Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Friday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
2
2
1
3
1
2
2
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.9
ENE
0.8
ENE
0.9
NE
1.1
NE
1.1
NE
0.8
NE
1.2
ENE
1.5
E
1.1
E
1
E
0.9
ENE
1
E
0.6
NW
0.7
NW
1.3
ESE
1.3
ESE
1.7
ESE
1.5
ESE
1.6
ESE
1
E
0.9
E
Period(s) (?)88777755566714138678778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)99669111910966661216766609212717618614332924026410690
Wind
(km/h)
20
ENE
10
NE
10
ESE
15
ENE
15
ENE
15
ESE
15
ENE
15
E
10
ESE
10
E
5
ENE
0
WNW
5
N
10
ESE
5
WNW
10
E
10
ESE
5
SSE
5
N
0
SE
5
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassglasscross-
on
cross-
off
cross-
on
crosscross-
off
cross-
on
glassglass
High Tide
/ height (m)
4:43PM
0.85
3:50AM
0.54
5:22PM
0.82
4:06AM
0.50
6:07PM
0.78
4:15AM
0.46
7:04PM
0.74
8:21PM
0.72
9:44PM
0.72
9:00AM
0.37
10:47PM
0.75
Low Tide
/ height (m)
9:40AM
0.11
11:12PM
0.36
10:03AM
0.13
12:01AM
0.40
10:28AM
0.15
1:10AM
0.43
10:57AM
0.18
11:35AM
0.22
12:35PM
0.26
6:41AM
0.36
2:27PM
0.30
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Friday
10
Sunrise6:13--6:11--6:11--6:09--6:09--6:09--6:07--
Sunset-6:37--6:37--6:37--6:37--6:37--6:37--6:38-
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
light rain
thunderstorm
light rain
light rain
light rain
part cloud
rain showers
heavy rain
rain showers
Rain (mm)
----------1-13544-11126
Temp. °C232321242423242423252524252424232324242424
Feels °C (?)212222232424232423272727282725262625272626
  • 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 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 16 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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