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Surf Forecasts:

Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle16 Day Weather and Surf, issued 7 pm Sunday 10 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waimea Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimea Rivermouth sea temperature is
24.6° C
 (Which is normal for this time of year)

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 Monday (May 11) at 2PM. The primary swell is predicted to be 0.4m and 18s 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 1.8m 7s and forecast to arrive on Saturday (May 16) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Friday (May 15) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Mon 11th May)1.5ft (0.4m) 18s
Best Surf 8PM (Sun 17th May)5ft (1.5m) 8s
Most Powerful 2PM (Sat 16th May)6ft (1.8m) 7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Mostly dry. Warm (max 26°C on Wed afternoon, min 22°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Fri morning. Warm (max 26°C on Thu afternoon, min 23°C on Wed night). Wind will be generally light.

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sun
17
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
1
1
1
1
2
2
2
1
2
0
0
2
2
2
2
2
1
2
2
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)
0.4
SE
8
0.4
SE
8
0.4
SSW
18
1.3
E
6
1.5
E
8
1.9
E
6
1.5
E
7
1.4
E
7
1.7
E
7
1.5
E
7
1.5
E
7
0.6
SE
9
0.5
SE
8
1.3
E
8
1.5
E
7
1.6
E
8
1.6
E
8
1.9
E
7
1.3
E
8
1.3
E
8
1.3
E
8
Wave Graph
Metric surfscale
Energy kJ
17
24
102
143
272
291
199
199
295
222
242
54
35
186
230
291
307
331
223
213
217
Wind (km/h)
15
NE
10
ENE
15
E
15
ENE
15
ESE
20
E
15
ENE
15
ENE
15
NE
20
ENE
15
ENE
20
E
15
ENE
15
E
15
ENE
15
ENE
15
E
10
E
20
ENE
10
E
10
E
Wind State
off
cross-off
cross-off
cross-off
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
glassy
High Tide
11:10PM0.36m
12:50PM0.27m
11:53PM0.33m
1:29PM0.36m
00:34AM0.30m
2:09PM0.44m
1:13AM0.26m
2:49PM0.52m
1:53AM0.22m
3:31PM0.58m
2:34AM0.18m
4:16PM0.61m
3:17AM0.15m
5:03PM0.62m
Low Tide
6:27AM0.02m
6:08PM0.14m
6:47AM-0.02m
7:23PM0.13m
7:10AM-0.05m
8:29PM0.12m
7:38AM-0.09m
9:31PM0.10m
8:09AM-0.12m
10:32PM0.09m
8:43AM-0.14m
11:34PM0.08m
9:21AM-0.14m
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
rain showers
part cloud
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:01
—
—
6:00
—
—
6:00
—
—
5:58
—
—
5:58
—
—
5:58
—
—
5:58
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
—
7:07
—
—
7:08
—
—
7:08
—
—
7:09
—
—
7:09
—
—
7:10
—
—
7:10
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
—
Temp °C
24
25
25
24
24
25
24
25
26
24
25
26
24
25
26
24
25
25
24
25
25
Feels °C
24
26
26
24
24
25
23
25
26
24
25
25
23
25
26
24
26
26
25
26
26
Swell 1
Height (m)
Direction
Period (s)
0.9
NW
12
0.9
N
7
0.9
NNE
7
1
N
7
0.7
NNW
10
0.8
NNW
10
0.8
NNW
9
0.8
N
9
0.6
NNE
6
0.8
NW
16
1.2
NW
15
1.3
NW
14
1.1
NW
13
1
NW
12
0.9
NW
12
0.9
NNE
7
0.6
NNW
11
0.7
NE
7
0.7
NE
7
0.6
SSW
15
0.6
SSW
15
Energy kJ
228
70
73
92
104
125
115
101
29
306
623
595
431
282
202
86
78
53
51
174
174
Swell 2
Height (m)
Direction
Period (s)
0.9
N
6
0.8
NW
11
0.8
NW
11
0.6
NW
10
0.6
SE
8
0.6
SE
8
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.7
NNE
7
0.7
NNE
8
0.6
SE
9
0.8
NNE
7
0.8
NNE
7
0.9
NNE
7
0.6
NW
11
0.6
NNE
7
0.6
NNW
10
0.6
NNW
10
0.6
NNE
7
0.6
NNE
7
Energy kJ
68
140
140
69
44
46
46
47
49
48
67
54
50
54
70
97
35
72
69
30
30
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
8
0.4
SE
8
0.4
SSW
18
0.5
SE
8
0.5
N
6
0.5
S
16
0.3
SSW
14
0.5
S
15
0.4
NW
9
0.6
SE
9
0.6
SE
9
0.4
N
8
0.5
SE
8
0.4
SE
10
0.5
SE
9
0.5
SE
9
0.5
SE
8
0.5
SE
8
0.4
SSW
17
0.4
NNW
10
0.5
SE
11
Energy kJ
17
24
102
35
16
124
41
109
27
50
53
20
35
33
43
36
35
33
96
38
58
Wind waves
Height (m)
Direction
Period (s)
1
E
6
0.8
E
5
1
E
7
1.3
E
6
1.5
E
8
1.9
E
6
1.5
E
7
1.4
E
7
1.7
E
7
1.5
E
7
1.5
E
7
0.7
NNE
6
1.6
E
8
1.3
E
8
1.5
E
7
1.6
E
8
1.6
E
8
1.9
E
7
1.3
E
8
1.3
E
8
1.3
E
8
Energy kJ
64
33
92
143
272
291
199
199
295
222
242
33
292
186
230
291
307
331
223
213
217
Nearest Offshore or Glassy
Kaena Point
HAW - Oahu
Pakalas
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Infinities
HAW - Kaua'i
Davidson Point
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Davidson Point
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Ranches
HAW - Oahu
Infinities
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Davidson Point
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Rating
(10 max)
2
1
1
1
2
2
2
2
2
2
2
3
1
2
2
2
2
2
2
2
2
Distance (km)
149
4
0
0
3
6
0
0
0
6
0
156
3
0
0
0
0
0
6
0
0
Best forecast wave conditions in Kaua'i
Polihale
Polihale
Polihale
Polihale
Majors Bay
Acid Drops
Majors Bay
Majors Bay
Acid Drops
Polihale
Polihale
Polihale
Polihale
Acid Drops
Polihale
Pakalas
Majors Bay
Majors Bay
Majors Bay
Rating
(10 max)
2
2
2
2
2
2
2
2
2
3
3
3
3
2
2
3
2
2
2
Best forecast wave conditions in United States
Mouse Rock
CAL - San Luis Obispo
Santa Rosa Creek
CAL - San Luis Obispo
Sand Dollar Beach
CAL - Monterey
Mouse Rock
CAL - San Luis Obispo
The Cape
Washington
Steamer Lane-Middle Peak
CAL - Santa Cruz
Mouse Rock
CAL - San Luis Obispo
Steamer Lane-Middle Peak
CAL - Santa Cruz
Cape Sebastian
Oregon South
Mouse Rock
CAL - San Luis Obispo
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Boners
CAL - San Luis Obispo
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Boners
CAL - San Luis Obispo
Ranches
HAW - Oahu
Seals
CAL - Santa Barbara
Hilo Breakwall
HAW - Big Island
El Capitan
CAL - Santa Barbara
Hilo Breakwall
HAW - Big Island
Rating
(10 max)
3
3
3
3
2
2
3
2
3
4
3
3
4
3
3
4
2
3
2
5
2
Header Global
Weld Road
New Zealand
Airport Rights
New Zealand
Inner Pool
South Africa
Outer Pool
South Africa
Fence (Port Elizabeth)
South Africa
Papatowai
New Zealand
Papatowai
New Zealand
Dunedin - Bobs Beach
New Zealand
Whacky Point
South Africa
J-Bay
South Africa
Easter Reef
Australia
J-Bay
South Africa
Barbel Point
South Africa
Cyclops
Australia
Chameau
Mauritius
Papatowai
New Zealand
Easter Reef
Australia
Garywilliam Point
Ireland
Easky Left
Ireland
El Capitan
United States
Anael
France
Rating
(10 max)
5
4
9
9
9
9
9
7
8
5
5
6
5
5
5
5
5
5
5
5
4
  • 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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