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Surf Forecasts:

Waiaha Rivermouth / Honls surf break

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

information circle48hr Weather and Surf, issued 1 am Sunday 15 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
25.3° C
 (Which is slightly warmer than usual)

How big are the waves at Waiaha Rivermouth / Honls today?

The current surf forecast for Waiaha Rivermouth / Honls at 6AM is: 1.8m 10s primary swell from a West direction and 0.3m 16s secondary swell from a Southwest direction, 0.8m 6s secondary swell from a South direction (forecast issued at 01:00am March 15). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (15 Mar)6ft (1.8m)10s
Afternoon (15 Mar)6ft (1.8m)10s
Evening (15 Mar)6ft (1.8m)10s

Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Sunday
15
Monday
16
Tuesday
17
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
2
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
WSW
1.2
WNW
1.7
W
1.8
W
1.8
W
1.8
W
1.8
W
1.8
W
1.8
W
1.8
WNW
1.8
WNW
1.8
W
1.8
W
1.7
W
1.5
W
1.4
WNW
1.4
WNW
1.3
W
1.3
W
1.2
W
1.1
W
0.6
S
0.7
S
0.8
S
Period(s) (?)8910101010101010111111111110101010101010171716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)181254535656669682682693706749763736730646487410402332332279231215273339
Wind
(km/h)
30
SSE
30
SSE
30
SSE
30
SSE
30
SSE
30
SSE
25
SSE
20
SSE
20
S
20
SSE
20
S
20
S
20
S
20
S
15
SSE
15
SSE
15
SSE
15
SSE
15
S
5
S
10
SW
10
WSW
10
NNW
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		oncross-
on		cross-
off		cross-
off
High Tide
/ height (m)
1:37AM
0.61
1:54PM
0.30
2:12AM
0.61
2:31PM
0.36
2:44AM
0.59
3:08PM
0.42
Low Tide
/ height (m)
8:35AM
0.03
7:25PM
0.02
8:57AM
0.01
8:13PM
0.01
9:18AM
-0.01
Sunday
15
Monday
16
Tuesday
17
Sunrise---6:31-------6:31-------6:30----
Sunset------6:32-------6:32-------6:34-
mod rain
light rain
heavy rain
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
85121244123454444333343422
Temp. °C232423232524262525242424242424242423232325252424
Feels °C (?)222322222423252526242525252525262625252628282626
  • 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:
surf-forecast.com

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