Waimea Rivermouth Surf Break

Lat Long: 21.95° N 159.67° W

Issued: 7 am 23 Jun 2026 (local time)

Forecast update in  hr  min

Today's Waimea Rivermouth sea temperature is
26.1° C

Normal for this time of year

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


Waimea Rivermouth surf forecast from 23 Jun 2026:

  • Best quality surf: Thursday 25 Jun, 8AM (local time) - 2.5ft (0.7m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 28 Jun, 5PM (local time) - 6ft (1.9m), 8s period, E swell with 466 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 23 Jun, 5PM (local time) - 1.5ft (0.4m), 15s period with SSW swell.

Best Forecast Surf Conditions for Waimea Rivermouth this week:

The surf forecast for Waimea Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 23) at 5PM. The primary swell is predicted to be 0.4m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Waimea Rivermouth in the next 16 days are 1.9m 8s and forecast to arrive on Sunday (Jun 28) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Monday (Jun 29) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Tue 23rd Jun)1.5ft (0.4m) 15s
Best Surf 8AM (Thu 25th Jun)2.5ft (0.7m) 16s
Most Powerful 5PM (Sun 28th Jun)6ft (1.9m) 8s

Table - best surf conditions forecast for Waimea Rivermouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Warm (max 27°C on Tue morning, min 24°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Sat afternoon, min 24°C on Fri night). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
2
2
2
1
3
2
1
2
2
1
2
3
2
3
3
2
1
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
S
11
0.4
SSW
15
0.7
S
19
0.7
SSW
18
0.8
SSW
18
1.6
E
7
0.7
SSW
16
1.8
E
7
0.6
S
14
1.6
E
8
1.9
E
8
1.7
E
8
1.6
E
8
2
E
8
1.6
E
8
1.5
E
8
1.9
E
8
0.7
SSW
16
0.7
SSW
15
1.8
E
8
1.5
E
8
Wave Graph
Metric surfscale
Energy kJ
40
73
365
322
408
226
266
303
153
294
399
341
299
453
323
291
466
269
228
439
273
Wind (km/h)
10
ESE
5
ENE
15
ENE
15
E
20
E
20
ENE
15
E
15
E
15
E
15
E
20
E
15
E
15
E
10
ENE
15
E
15
E
10
ENE
15
ENE
10
ESE
10
E
15
ENE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
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
High Tide
12:50PM0.42m
10:25PM0.23m
1:34PM0.48m
11:18PM0.19m
2:11PM0.52m
00:24AM0.16m
2:46PM0.54m
1:23AM0.15m
3:19PM0.55m
2:11AM0.14m
3:51PM0.55m
2:51AM0.14m
4:23PM0.55m
3:28AM0.15m
Low Tide
7:51PM0.23m
5:42AM-0.01m
9:24PM0.19m
6:16AM-0.02m
10:16PM0.16m
6:51AM-0.03m
10:48PM0.14m
7:26AM-0.04m
11:12PM0.12m
8:02AM-0.05m
11:35PM0.12m
8:37AM-0.05m
00:00AM0.11m
clear
part cloud
clear
clear
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:56
5:56
5:56
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:24
7:24
7:24
7:24
7:24
7:24
7:24
 mm
2
1
1
Temp °C
27
27
25
27
27
25
26
27
25
26
26
25
26
27
25
26
27
25
26
26
25
Feels °C
28
29
26
27
27
25
26
27
25
26
25
25
26
27
26
26
27
27
28
27
27
Swell 1
Height (m)
Direction
Period (s)
0.6
N
7
0.7
N
8
0.8
N
8
0.7
SSW
18
0.8
SSW
18
0.7
NE
7
0.7
SSW
16
0.7
NE
7
0.7
NE
8
0.7
NE
8
0.6
NE
8
0.7
NE
8
0.6
NE
8
0.6
NE
8
0.7
NE
8
0.6
NE
8
0.6
SSW
16
0.7
SSW
16
0.7
SSW
15
0.7
SSW
15
0.6
SSW
15
Energy kJ
37
68
86
322
408
47
266
50
64
60
45
62
49
49
60
49
206
269
228
225
167
Swell 2
Height (m)
Direction
Period (s)
0.4
S
11
0.4
SSW
15
0.7
S
19
0.6
N
8
0.6
NNE
8
0.6
SSW
16
0.7
NE
7
0.6
SSW
16
0.6
SE
8
0.7
SE
8
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
SSW
18
0.6
S
18
0.6
NE
8
0.6
NE
8
0.6
NE
8
0.6
SE
9
0.5
SE
9
Energy kJ
40
73
365
45
50
203
53
196
54
68
62
46
55
52
249
227
50
40
38
53
39
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
6
0.4
S
11
0.4
NE
10
0.5
E
7
0.5
NE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
S
14
0.5
S
14
0.5
S
14
0.4
SSW
13
0.4
SSW
13
0.6
S
20
0.5
SE
6
0.5
SE
10
0.5
SE
6
0.5
SE
10
0.4
SE
6
0.6
NE
8
0.6
NE
8
Energy kJ
8
38
24
24
28
43
58
58
153
106
100
58
57
276
20
49
17
47
11
40
36
Wind waves
Height (m)
Direction
Period (s)
1.1
E
5
1.1
E
6
1.3
E
6
1.6
E
6
1.7
E
7
1.6
E
7
1.5
E
7
1.8
E
7
1.4
ENE
7
1.6
E
8
1.9
E
8
1.7
E
8
1.6
E
8
2
E
8
1.6
E
8
1.5
E
8
1.9
E
8
1.1
ENE
8
1.2
E
8
1.8
E
8
1.5
E
8
Energy kJ
67
72
122
196
250
226
205
303
214
294
399
341
299
453
323
291
466
171
190
439
273
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
3
2
1
3
3
2
2
3
2
2
3
3
3
3
2
2
3
2
Distance (km)
3
0
0
6
157
156
0
6
6
0
15
15
0
0
15
0
0
0
3
0
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
1
1
2
3
3
3
2
2
3
2
2
3
3
3
3
3
2
3
2
Best forecast wave conditions in United States
Rating
(10 max)
1
1
3
3
2
2
3
3
4
2
3
3
2
3
4
4
3
4
2
3
3
Header Global
Rating
(10 max)
8
9
8
5
5
5
5
6
6
5
6
5
5
7
7
9
5
5
5
6
5
  • 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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Information about the Waimea Rivermouth Surf forecast

The above surf forecast table for Waimea Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waimea Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Waimea Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Waimea Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Waimea Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a vacation in Kaua'i? If you are looking for accommodation near Waimea Rivermouth, camping, hotels and condos and appartments in Kaua'i, consider staying in Nawiliwili which is 32 km (20 miles) away. Alternatively, find information about places to stay and car hire in Lihue - Kauai which is 34 km (21 miles) away

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