Waiaha Rivermouth / Honls surf break

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

information circle48hr Weather and Surf, issued 7 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 1PM is: 1.9m 10s primary swell from a West direction and 0.4m 15s secondary swell from a Southwest direction, 0.8m 6s secondary swell from a South direction (forecast issued at 07:00am 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 (1.9m)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
Sunday
15
Monday
16
Tuesday
17
Wed
18
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
2
1
1
2
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.7
W
1.8
W
1.8
W
2
W
1.8
W
1.8
W
1.8
W
1.9
W
1.8
W
1.9
W
1.6
WNW
1.5
W
1.4
WNW
1.3
WNW
1.5
W
1.2
WNW
1.3
W
1.3
W
0.6
S
0.6
S
0.7
S
0.7
S
0.8
S
0.8
S
Period(s) (?)101010101010101111111111101010101010171717161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)535656669834682693706804748810611516426356441294327320214215273260330326
Wind
(km/h)
30
SSE
25
SSE
30
SSE
25
SSE
30
SSE
20
SSE
15
SSE
20
S
20
SSE
20
S
25
SSE
25
S
25
SSE
20
S
20
SSE
15
SSE
10
S
5
S
5
SW
10
WNW
10
NNW
15
N
25
N
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncrosscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
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
9:00PM
0.01
Sunday
15
Monday
16
Tuesday
17
Wed
18
Sunrise-6:31-------6:31-------6:30------
Sunset----6:32-------6:32-------6:34---
heavy rain
rain showers
thunderstorm
thunderstorm
light rain
rain showers
mod rain
mod rain
heavy rain
light rain
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
part cloud
rain showers
thunderstorm
thunderstorm
part cloud
cloud
cloud
Rain (mm)
1411423576135151333221-111---
Temp. °C232325252525232323242423242424242424252524242424
Feels °C (?)222224252426252424242323242424252627282726252425
  • 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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