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Surf Forecasts:

Rivermouth_Wailuku surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 16 Sep 2025 HST
Forecast update in hr  min  s Forecast update imminent
Rivermouth_Wailuku surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rivermouth_Wailuku sea temperature is
26.9° C
 (Which is normal for this time of year)

How big are the waves at Rivermouth_Wailuku today?

The current surf forecast for Rivermouth_Wailuku at 7PM is: 1.2m 5s primary swell from a East direction and 0.4m 8s secondary swell from a North direction (forecast issued at 01:00pm September 16). An open ocean swell of 0.1m 17s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (16 Sep)3.5ft (1.1m)8s
Afternoon (16 Sep)4ft (1.2m)5s
Evening (16 Sep)4ft (1.2m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
E
1.2
E
1.2
E
1.2
E
1.2
E
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.2
E
1.3
E
1.3
E
1.2
E
1.2
E
1.2
E
1.3
E
1.2
E
1.1
ENE
1.1
ENE
0.6
N
0.7
N
1.1
ENE
Period(s) (?)85566776555667766666612117
Wave
Graph
(?)Metric surfscale
Energy kJ (?)161647588981071247265666610213714512412011311091838095121127
Wind
(km/h)
20
ENE
20
ENE
20
ENE
25
ENE
20
ENE
15
ENE
20
E
20
E
20
ENE
20
ENE
20
E
20
E
20
E
15
E
20
E
20
E
20
ENE
20
ENE
20
ENE
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
12:08PM
0.78
11:33PM
0.34
12:42PM
0.80
12:19AM
0.43
1:09PM
0.80
12:56AM
0.51
Low Tide
/ height (m)
7:37PM
0.26
5:13AM
0.09
7:37PM
0.23
6:05AM
0.06
7:45PM
0.20
6:47AM
0.05
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Sunrise-------6:13-------6:13-------6:13
Sunset--6:28-------6:27-------6:25-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C272626252524242526262625252524252627262625252525
Feels °C (?)262525242524242526262725252523242627262726262625
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Maui

  1. weather stationWind Update The wind is still cross-on at Rivermouth_Wailuku (fresh winds from the ENE at BUOY-KLIH1 2 km from Rivermouth_Wailuku). 1.2m 5s windswell from the ENE with a 0.4m 9s swell from the N. 2 swells combining to make bigger set waves.

    1 hour 20 minutes ago Rivermouth_Wailuku
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1 h 20 min ago

33 km/h
ENE
Cross-On
Please reload the page to see if there are any updates.

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View detailed surf forecast for Rivermouth_Wailuku at:
surf-forecast.com

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