Waimea Rivermouth Surf Break

Lat Long: 21.95° N 159.67° W

Waimea Rivermouth 48 hour detailed Surf Forecast

Issued: 7 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Waimea Rivermouth sea temperature is
26.7° C
0.3° 

Waimea Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Waimea Rivermouth today (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 2ft (0.6m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 6ft (1.9m), 6s period with E swell.
  • Evening surf: Evening surf (18 Jul, local time) - 6ft (1.8m), 7s period with E swell.

The current surf forecast for Waimea Rivermouth at 3PM is: 1.9m 6s primary swell from a East direction and 0.6m 14s secondary swell from a South-southwest direction (forecast issued at 07:00am July 18). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (18 Jul)2ft (0.6m)14s
Afternoon (18 Jul)6ft (1.9m)6s
Evening (18 Jul)6ft (1.8m)7s

Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 27°C on Sat morning, min 23°C on Sat night). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
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)
1
1
1
1
3
2
2
2
2
2
2
1
2
1
1
2
2
2
2
1
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
S
13
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
2
E
6
1.9
E
7
1.6
E
7
1.4
E
8
1.4
E
8
1.4
E
8
1.3
E
8
1.3
E
8
1.3
E
8
0.5
S
13
1.2
E
7
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
0.6
S
16
0.5
S
16
0.5
S
16
0.5
S
16
Wave Graph
Metric surfscale
Energy kJ
128
145
149
156
335
348
276
235
241
247
219
213
208
86
152
149
153
153
153
190
134
132
134
Wind (km/h)
10
ENE
15
ENE
10
E
5
E
10
ENE
10
ENE
15
ENE
15
ENE
10
ENE
15
ENE
5
ENE
10
ESE
10
ENE
10
ENE
15
ENE
10
ENE
10
ENE
10
ENE
5
E
5
E
5
ENE
5
ENE
10
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
glassy
glassy
cross-off
High Tide
7:08AM0.28m
6:57PM0.45m
8:22AM0.32m
7:23PM0.38m
9:46AM0.36m
7:41PM0.31m
Low Tide
12:16PM0.13m
2:04AM0.06m
1:25PM0.22m
2:37AM0.06m
3:25PM0.28m
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:23
7:23
7:22
 mm
Temp °C
24
25
27
27
26
25
24
24
23
24
26
26
26
25
24
23
23
24
26
26
26
25
24
Feels °C
25
26
28
29
27
26
25
24
24
25
27
27
26
26
24
24
24
24
27
27
27
27
25
  • 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
How to use the Wavefinder 

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