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Surf Forecasts:

Waiaha Rivermouth / Honls surf break

Waiaha Rivermouth / Honls surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 1 am Wednesday 11 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waiaha Rivermouth / Honls surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waiaha Rivermouth / Honls sea temperature is
25.2° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Waiaha Rivermouth / Honls this week:

The surf forecast for Waiaha Rivermouth / Honls over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Mar 11) at 8AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.5m and 13s. Another secondary swell of 0.6m and 4s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Waiaha Rivermouth / Honls in the next 12 days are 1.8m 10s and forecast to arrive on Sunday (Mar 15) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 11th Mar)2ft (0.6m) 13s
Best Surf 8AM (Wed 11th Mar)2ft (0.6m) 13s
Most Powerful 8PM (Sun 15th Mar)6ft (1.8m) 10s

Table - best surf conditions forecast for Waiaha Rivermouth / Honls over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 16mm), heaviest on Fri night. Warm (max 28°C on Fri morning, min 24°C on Wed night). Winds increasing (calm on Wed morning, strong winds from the SSW by Fri afternoon).

Days 3-6 Weather Summary Heavy rain (total 35mm), heaviest during Sat morning. Warm (max 26°C on Sun night, min 23°C on Sun morning). Winds decreasing (strong winds from the SSE on Sat morning, calm by Mon night).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
WNW
0.8
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.8
WNW
1.6
S
1.4
S
1.2
W
1.3
W
1.3
W
1.5
W
1.6
W
1.7
W
1.5
W
1.3
WNW
1.1
W
0.6
S
0.7
S
0.8
S
Period(s) (?)1312121110101065998101010101010171716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)135169189170195184133154102246270234417530632459335226220283326
Wind
(km/h)
25
SSW
20
S
15
S
15
SSW
20
SSW
5
ESE
35
S
40
S
45
S
40
SSE
35
SSE
35
SSE
25
SSE
25
SSE
20
S
20
S
15
S
5
WSW
10
NNE
5
NW
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		oncross-
on		cross-
off		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		cross-
on		glasscross-
off		glasscross-
off
High Tide
/ height (m)
9:32AM
0.16
11:22PM
0.55
11:25AM
0.17
12:15AM
0.58
12:30PM
0.20
12:59AM
0.60
1:15PM
0.25
1:37AM
0.61
1:54PM
0.30
2:12AM
0.61
2:31PM
0.36
2:44AM
0.59
3:08PM
0.42
3:16AM
0.55
Low Tide
/ height (m)
3:03PM
0.08
7:20AM
0.11
4:27PM
0.07
7:48AM
0.08
5:37PM
0.05
8:12AM
0.06
6:34PM
0.03
8:35AM
0.03
7:25PM
0.02
8:57AM
0.01
8:13PM
0.01
9:18AM
-0.01
9:00PM
0.01
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise6:35--6:35--6:33--6:33--6:31--6:31--6:30--
Sunset-6:31--6:31--6:31--6:32--6:32--6:32--6:34-
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
light rain
heavy rain
thunderstorm
thunderstorm
light rain
mod rain
rain showers
rain showers
part cloud
light rain
light rain
light rain
light rain
heavy rain
Rain (mm)
-11-11-1111134831-145323
Temp. °C262625262625282725242525242526262626232423
Feels °C (?)252526262627242122202222222326262628252626
  • 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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View detailed surf forecast for Waiaha Rivermouth / Honls at:
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Information about the Waiaha Rivermouth / Honls Surf forecast

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

Waiaha Rivermouth / Honls is 95 km (59 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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