Waimea Rivermouth Surf Break

Lat Long: 21.95° N 159.67° W

Issued: 7 pm 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Waimea Rivermouth sea temperature is
25.8° 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 1 Jul 2026:

  • Best quality surf: Wednesday 1 Jul, 2PM (local time) - 5.5ft (1.7m), 8s period, E swell with cross-offshore winds.
  • Most powerful swell: Sunday 5 Jul, 5PM (local time) - 3ft (0.9m), 18s period, SSW swell with 510 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 30 Jun, 11PM (local time) - 1.5ft (0.5m), 13s period with S 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 30) at 11PM. The primary swell is predicted to be 0.5m and 13s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Waimea Rivermouth in the next 16 days are 0.9m 18s and forecast to arrive on Sunday (Jul 05) 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 1.7m 7s period and expected on Monday (Jul 06) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 30th Jun)1.5ft (0.5m) 13s
Best Surf 2PM (Wed 1st Jul)5.5ft (1.7m) 8s
Most Powerful 5PM (Sun 5th Jul)3ft (0.9m) 18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 27°C on Wed morning, min 24°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Sat morning, min 23°C on Fri night). Wind will be generally light.

Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tue
7
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
1
3
2
1
1
2
1
2
1
3
2
3
3
3
2
2
1
1
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
E
8
0.4
SSW
15
1.9
E
8
1.5
E
8
0.4
SSW
14
0.4
SSW
14
0.5
S
18
0.5
SSW
17
0.6
SSW
17
0.5
SSW
16
0.7
S
21
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.9
SSW
18
0.8
SSW
16
0.9
SSW
16
0.9
SSW
15
0.8
SSW
15
0.9
SSW
14
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
138
84
466
295
79
73
163
168
216
147
445
380
492
418
510
350
421
380
284
350
279
Wind (km/h)
15
ENE
15
E
5
ENE
15
ENE
10
E
10
ENE
10
ENE
10
ENE
10
E
15
ENE
15
ENE
15
ENE
15
ENE
10
ENE
10
ENE
15
ENE
15
ENE
15
ENE
15
ENE
10
ENE
15
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-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:05AM0.15m
5:26PM0.55m
4:48AM0.16m
5:56PM0.53m
5:39AM0.17m
6:25PM0.51m
6:41AM0.19m
6:54PM0.47m
7:56AM0.23m
7:21PM0.43m
9:20AM0.28m
7:49PM0.37m
10:43AM0.35m
Low Tide
00:27AM0.11m
9:46AM-0.04m
00:55AM0.11m
10:20AM-0.01m
1:23AM0.10m
10:56AM0.03m
1:51AM0.09m
11:37AM0.08m
2:19AM0.08m
12:30PM0.15m
2:49AM0.06m
1:52PM0.23m
3:22AM0.04m
4:16PM0.27m
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
6:00
6:00
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:25
7:25
7:25
7:25
7:25
7:25
7:25
7:25
 mm
Temp °C
25
27
27
25
26
26
25
26
26
24
26
26
24
26
26
25
25
26
25
25
26
Feels °C
29
28
28
26
27
27
26
27
28
25
27
26
24
26
26
25
25
25
24
25
26
Swell 1
Height (m)
Direction
Period (s)
0.7
NNE
7
0.7
NE
8
0.7
NE
8
0.7
NE
8
0.7
NE
8
0.7
NE
8
0.7
NNE
7
0.7
NE
7
0.8
NNE
8
0.8
NNE
8
0.7
NE
8
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.9
SSW
18
0.8
SSW
16
0.9
SSW
16
0.9
SSW
15
0.8
SSW
15
0.9
SSW
14
0.8
SSW
14
Energy kJ
38
65
67
60
59
57
48
56
72
74
59
380
492
418
510
350
421
380
284
350
276
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
13
0.5
SE
10
0.5
SSW
14
0.5
SSW
14
0.4
SSW
14
0.4
SSW
14
0.5
S
18
0.5
SSW
17
0.6
SSW
17
0.5
NW
12
0.7
S
21
0.7
NE
8
0.7
NE
8
0.9
NE
7
0.7
NE
8
0.8
NNE
7
0.8
NNE
7
0.8
NNE
8
0.9
NE
7
0.8
NNE
7
0.7
NE
7
Energy kJ
137
47
116
105
79
73
163
168
216
72
445
62
64
79
57
68
68
72
79
68
54
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SSW
15
0.4
ESE
5
0.4
SE
6
0.5
SE
9
0.5
SE
9
0.4
SSW
13
0.5
NW
13
0.5
NW
12
0.5
SSW
16
0.6
SSW
16
0.5
SSW
15
0.6
SSW
15
0.5
SSW
14
0.4
SE
6
0.4
SE
11
0.4
SE
9
0.5
SE
9
0.4
SE
9
0.4
SE
6
0.4
SE
6
Energy kJ
24
84
11
13
40
40
69
85
77
147
193
126
167
118
8
40
31
41
26
12
11
Wind waves
Height (m)
Direction
Period (s)
1.1
E
8
1.6
ENE
8
1.9
E
8
1.5
E
8
1.4
ENE
8
1.3
ENE
8
1.2
ENE
8
1.2
ENE
8
1.3
ENE
8
1.4
ENE
8
1.4
ENE
8
1.5
E
7
1.3
ENE
8
1.5
E
7
1.5
E
7
1.4
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
E
8
1.6
E
7
1.6
E
7
Energy kJ
138
310
466
295
257
218
183
178
212
238
232
243
202
206
238
191
293
276
292
257
279
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
2
1
1
2
2
2
1
3
3
3
3
3
2
3
3
2
3
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
1
2
3
2
2
2
2
2
2
2
3
3
3
3
3
2
3
3
2
3
Best forecast wave conditions in United States
Rating
(10 max)
2
3
4
3
3
2
2
2
3
2
3
3
3
3
3
3
3
3
3
4
3
Header Global
Rating
(10 max)
5
5
5
9
7
8
9
5
5
6
5
4
5
9
7
6
5
9
5
5
9
  • 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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