Waiaha Rivermouth / Honls surf break

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

information circle48hr Weather and Surf, issued 1 am Wednesday 29 Apr 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
25.7° 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 7AM is: 0.3m 13s primary swell from a Northwest direction and 0.3m 12s secondary swell from a Southwest direction (forecast issued at 01:00am April 29). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (29 Apr)1ft (0.3m)13s
Afternoon (29 Apr)1ft (0.3m)12s
Evening (29 Apr)1ft (0.3m)18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed afternoon. Warm (max 25°C on Wed morning, min 23°C on Wed night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
1
1
0
0
0
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
2
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.4
SW
12
0.3
SW
12
0.3
NW
13
0.3
NW
13
0.3
NW
12
0.3
NW
12
0.2
S
18
0.3
S
18
0.2
S
18
0.2
S
17
0.3
S
16
0.4
S
16
0.4
S
16
0.4
S
16
0.3
S
16
0.4
SSW
15
0.4
SSW
15
0.5
S
15
0.5
S
15
0.4
S
15
0.5
S
16
0.5
S
16
0.4
SSW
16
0.5
S
14
Wave Graph
Metric surfscale
Energy kJ
37
22
27
25
23
23
25
55
24
23
46
81
81
82
45
73
72
110
112
67
134
132
85
93
Wind (km/h)
10
NW
5
NNW
0
WSW
10
SSW
15
SW
10
W
10
NW
5
NNW
5
NE
10
SSE
5
S
10
W
10
WNW
5
S
10
S
5
W
10
NNW
0
NE
5
SSW
10
WSW
10
W
5
WSW
5
S
0
S
cross
cross-off
glassy
on
on
cross-on
cross-off
cross-off
glassy
cross
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
cross-off
glassy
glassy
on
cross-on
on
cross-on
glassy
High Tide
1:54AM0.37m
2:55PM0.57m
2:28AM0.32m
3:28PM0.61m
3:01AM0.28m
4:01PM0.63m
Low Tide
8:04AM-0.04m
9:26PM0.09m
8:27AM-0.04m
10:15PM0.09m
8:50AM-0.04m
thunderstorm
rain showers
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
rain showers
clear
clear
clear
part cloud
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:45
6:46
1
1
1
1
1
1
1
1
1
1
1
Temp °C
24
24
25
25
25
25
24
24
23
23
24
25
25
24
24
24
23
23
24
25
25
24
24
24
26
26
28
26
26
27
25
26
25
24
26
26
27
26
25
26
24
25
26
26
27
26
27
27
Swell 1
Height (m)
Direction
Period (s)
0.4
SW
12
0.3
SW
12
0.3
SW
12
0.3
SW
12
0.3
NW
12
0.3
NW
12
0.3
NW
12
0.3
NW
12
0.3
NW
12
0.3
NW
11
0.3
S
16
0.4
S
16
0.4
S
16
0.4
S
16
0.3
S
16
0.4
SSW
15
0.4
SSW
15
0.5
S
15
0.5
S
15
0.4
S
15
0.5
S
16
0.5
S
16
0.4
SSW
16
0.5
S
14
Energy kJ
37
22
22
22
23
23
22
22
21
20
46
81
81
82
45
73
72
110
112
67
134
132
85
93
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
13
0.2
WNW
13
0.3
NW
13
0.3
NW
13
0.2
SSW
11
0.2
SSW
11
0.2
S
18
0.3
S
18
0.2
SSW
13
0.2
SSW
12
0.3
NW
11
0.3
NW
11
0.3
NW
11
0.3
SSW
12
0.3
NW
11
0.3
NW
11
0.2
SSW
11
0.4
NW
11
0.3
NW
11
0.3
SSW
17
0.2
NNW
11
0.3
SSW
13
0.4
SSW
13
0.4
SSW
16
Energy kJ
18
17
27
25
12
12
25
55
16
15
19
19
19
28
19
19
12
30
18
57
12
35
59
87
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
10
0.1
NW
10
0.2
S
9
0.2
S
9
0.2
S
13
0.2
SSW
13
0.2
S
4
0.2
S
18
0.2
S
17
0.2
SSW
12
0.2
SSW
12
0.2
SSW
12
0.3
NW
11
0.2
SSW
12
0.3
SSW
3
0.2
SSW
18
0.2
SSW
11
0.2
SSW
11
0.2
SSW
11
0.2
SSW
11
0.2
NNW
11
0.2
NNW
11
0.3
WNW
11
Energy kJ
4
4
6
6
14
17
1
24
23
15
14
14
18
14
2
32
12
12
12
12
12
12
23
Wind waves
Height (m)
Direction
Period (s)
0.1
NW
4
0.4
NW
2
0.2
NNW
4
0.3
NW
3
0.2
S
10
0.2
S
8
0.3
SW
2
0.2
WSW
2
0.4
NW
11
0.4
NNW
3
0.4
W
11
0.4
W
3
0.3
W
3
0.3
WNW
3
Energy kJ
1
1
2
1
8
5
1
1
42
4
37
2
1
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
8
0
0
19
158
158
0
0
0
1
6
100
100
6
6
0
0
0
0
19
119
3
0
0
Best forecast wave conditions in Big Island
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
2
2
3
2
2
3
2
2
2
2
2
2
2
3
2
2
3
2
4
4
Header Global
Rating
(10 max)
5
8
7
6
5
5
5
5
5
5
6
6
6
6
7
5
5
5
5
5
9
7
5
5
  • 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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