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Surf Forecasts:

Waimea Rivermouth surfForecast / HAW – Kaua'i / USA

information circle12 Day Weather and Surf, issued 1 pm Tuesday 25 Nov 2025 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
26.2° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Waimea Rivermouth this week:

The surf forecast for Waimea Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Nov 25) at 5PM. The primary swell is predicted to be 1.0m and 7s period with a secondary swell of 0.6m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Waimea Rivermouth in the next 12 days are 1.0m 7s and forecast to arrive on Tuesday (Nov 25) 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 4.0m 18s period and expected on Saturday (Nov 29) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Tue 25th Nov)3.5ft (1.0m) 7s
Best Surf 5PM (Tue 25th Nov)3.5ft (1.0m) 7s
Most Powerful 5PM (Tue 25th Nov)3.5ft (1.0m) 7s

Table - best surf conditions forecast for Waimea Rivermouth over the next 12 days.

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

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

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Fri night. Warm (max 25°C on Fri afternoon, min 22°C on Sun morning). Wind will be generally light.

Tue
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
E
0.7
E
0.4
SSE
0.3
S
0.4
SE
0.4
SE
0.3
SSE
0.3
SSE
0.3
SSE
0.4
SSE
0.3
SSE
0.5
SSE
0.4
SSE
0.8
SE
0.7
SE
0.5
SE
0.3
SSE
0.4
SSE
0.3
SSE
0.3
S
0.6
S
Period(s) (?)771011881212119111010999131414135
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1065237202020282722352355379978403466373017
Wind
(km/h)
10
E
10
ENE
5
ESE
5
SE
0
NE
5
S
5
SE
5
E
10
SE
10
SE
5
SW
10
S
5
SSW
0
ESE
5
ESE
5
SE
10
ESE
15
SSE
10
SSE
10
SE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crossglassglassoncrossglasscross-
on		cross-
on		glassononglassglasscross-
on		crosscross-
on		cross-
on		crosscross-
on
High Tide
/ height (m)
6:47PM
0.12
8:12AM
0.48
9:07PM
0.15
9:01AM
0.46
10:58PM
0.21
9:49AM
0.43
12:04AM
0.30
10:36AM
0.38
12:51AM
0.40
11:23AM
0.34
1:33AM
0.49
12:11PM
0.29
2:15AM
0.58
12:58PM
0.24
Low Tide
/ height (m)
4:41PM
0.12
11:46PM
0.07
4:55PM
0.11
12:47AM
0.13
5:11PM
0.09
2:43AM
0.19
5:31PM
0.06
4:55AM
0.23
5:54PM
0.02
6:36AM
0.22
6:21PM
-0.02
7:57AM
0.20
6:52PM
-0.05
9:06AM
0.17
Tue
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Sunrise--6:56--6:58--6:58--6:58--7:00--7:00--7:01
Sunset5:53--5:53--5:53--5:53--5:53--5:53--5:53--
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
part cloud
part cloud
clear
part cloud
clear
clear
rain showers
part cloud
rain showers
Rain (mm)
----------11------1-1
Temp. °C262426252424252325252424242424252325252424
Feels °C (?)272628272725262527262725262726272526262624
  • 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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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

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View detailed surf forecast for Waimea Rivermouth at:
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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 12 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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