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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 Monday 16 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)

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

The current surf forecast for Waiaha Rivermouth / Honls at 5AM is: 1.8m 11s primary swell from a West-northwest direction and 0.4m 6s secondary swell from a South direction (forecast issued at 01:00am March 16). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (16 Mar)5.5ft (1.7m)11s
Afternoon (16 Mar)5ft (1.5m)10s
Evening (16 Mar)4.5ft (1.4m)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
Monday
16
Tuesday
17
Wednesday
18
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)
1
1
1
1
0
0
0
0
1
0
1
1
1
1
1
2
2
2
2
1
1
1
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
W
1.8
WNW
1.8
WNW
1.8
W
1.6
W
1.6
W
1.5
W
1.4
W
1.4
W
1.3
W
1.3
W
1.2
W
1.1
W
0.6
S
0.7
S
0.8
S
0.8
S
0.8
S
0.8
S
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
Period(s) (?)101111111111101010101010101717161616161616151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)706749763748595584487400392332332279231215273339330326322406401381357347
Wind
(km/h)
10
SSW
10
S
10
S
15
SSE
15
S
20
S
20
S
20
SSE
20
SSE
15
S
15
S
10
SSW
10
W
10
W
10
NW
5
NNW
5
NW
0
E
0
S
5
SSE
5
S
10
SSW
10
S
10
SSW
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		crosscross-
on		cross-
on		oncross-
on		cross-
on		crosscross-
off		glassglassglasscross-
on		cross-
on		oncross-
on		on
High Tide
/ height (m)
2:12AM
0.61
2:31PM
0.36
2:44AM
0.59
3:08PM
0.42
3:16AM
0.55
3:47PM
0.48
Low Tide
/ height (m)
8:57AM
0.01
8:13PM
0.01
9:18AM
-0.01
9:00PM
0.01
9:41AM
-0.02
Monday
16
Tuesday
17
Wednesday
18
Sunrise---6:31-------6:30-------6:28----
Sunset------6:32-------6:34-------6:34-
rain showers
rain showers
light rain
rain showers
light rain
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
cloud
thunderstorm
light rain
cloud
cloud
cloud
thunderstorm
thunderstorm
cloud
Rain (mm)
313332222121----11---12-
Temp. °C252523242425252524242425252525242424242425252524
Feels °C (?)272726262526262625252627272728272828282728272727
  • 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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