Waiaha Rivermouth / Honls surf break

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

information circle48hr Weather and Surf, issued 1 am Saturday 21 Feb 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
25.0° 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: 0.2m 15s primary swell from a South direction and 0.2m 10s secondary swell from a West-northwest direction (forecast issued at 01:00am February 21). The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (21 Feb)0.5ft (0.2m)15s
Afternoon (21 Feb)0.5ft (0.2m)15s
Evening (21 Feb)1ft (0.3m)14s

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

Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
1
0
0
1
0
0
1
0
1
1
1
0
0
0
1
1
1
1
1
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.2
S
0.3
S
0.2
S
0.2
S
0.2
S
0.2
S
0.3
SW
0.3
SW
0.3
SW
0.4
S
0.3
S
0.3
S
0.4
NW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
S
0.3
SW
0.3
SW
0.3
NW
Period(s) (?)121115151515141415131313121413131313131312131318
Wave
Graph
(?)Metric surfscale
Energy kJ (?)112317172121333333553131354646454546464645313148
Wind
(km/h)
5
S
5
WSW
5
NNW
5
NNE
5
WNW
15
WSW
10
W
15
NNW
10
NW
5
NW
5
NNW
5
W
10
W
10
W
10
WNW
10
NNW
10
NNW
10
N
5
NNW
5
N
10
WNW
10
W
10
NW
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glassglassglassglassoncross-
on
cross-
off
crossglassglassglasscross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
crosscross-
off
High Tide
/ height (m)
5:54AM
0.40
7:23PM
0.51
6:30AM
0.32
8:33PM
0.54
7:14AM
0.24
Low Tide
/ height (m)
12:25AM
0.13
12:22PM
-0.03
1:47AM
0.18
12:59PM
-0.02
3:45AM
0.20
1:45PM
-0.01
Saturday
21
Sunday
22
Monday
23
Sunrise---6:48-------6:48-------6:47----
Sunset------6:25-------6:25-------6:25-
clear
part cloud
cloud
cloud
part cloud
thunderstorm
rain showers
rain showers
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
-----11111--------------
Temp. °C232322232424242322222222242423232222222224242322
Feels °C (?)252624252624252323242424252524252323242325242423
  • 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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