Surf Forecast Surf Report

Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Monday 21 Apr 2025 HST
Forecast update in hr  min  s Forecast update imminent
Waimanu Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanu Bay sea temperature is
25.2° C
(Which is slightly warmer than usual)


How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 3AM is: 0.9m 8s primary swell from a Northeast direction and 0.7m 8s secondary swell from a East direction, 0.6m 4s secondary swell from a East-southeast direction (forecast issued at 07:00pm April 21). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (22 Apr)4ft (1.2m)8s
Afternoon (22 Apr)2.5ft (0.8m)8s
Evening (22 Apr)3ft (0.9m)8s

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

Updates in  hr  min  s Forecast update imminent
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tue
29
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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
0
0
0
0
0
0
0
0
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
Wave Height (m) & direction (?)
1.5
ENE
1.6
ENE
1
E
0.9
NE
1.1
ESE
1.2
ESE
0.8
NE
0.8
NE
1.2
ESE
0.9
ESE
1.3
ESE
1.3
ESE
1.3
ESE
0.6
NE
1.4
ESE
1.6
E
1.4
ESE
1.3
ESE
1.4
ESE
1.4
ESE
1.5
ESE
1.5
ESE
1.6
ESE
1.7
ESE
1.7
ESE
1.7
ESE
1.6
ESE
1.6
ESE
1.4
ESE
1.2
ESE
1.2
ESE
1.8
E
2
E
1.8
E
1.6
E
1.5
ESE
1.3
ESE
1.1
ESE
1.1
ESE
1.2
ESE
1.3
E
0.9
ESE
1.2
E
1.2
E
1.2
E
1.1
E
1.4
E
1.6
E
1.7
E
1.6
E
1.4
E
1.3
E
1.2
E
1.2
E
1.4
E
1.7
E
1.7
E
1.6
E
1.4
E
1.3
E
Period(s) (?)888888888888886666655566666677767768888888888888888888856888
Wave
Graph
(?)Metric surfscale
Energy (?)24628012410715317573691921042232172375413118113511311098112117161208201215179154193156160222342297169240191159151187217119182182190153241314363313247213185176251155172290246207
Wind
(km/h)
20
E
20
E
15
E
15
ESE
10
ESE
5
ESE
5
E
10
E
10
ENE
10
E
10
ESE
10
ESE
5
SSE
5
SE
15
E
15
E
20
E
20
E
20
ESE
15
ESE
15
ESE
10
ESE
15
E
20
E
20
E
25
E
20
E
10
ESE
15
ESE
15
E
25
E
20
E
20
E
20
E
20
E
20
ESE
15
ESE
15
E
20
E
20
E
15
E
20
E
20
E
20
E
15
ESE
20
E
20
ENE
20
ENE
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
crosscross-
on
crosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscross-
on
cross-
on
crosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross
High Tide
/ height (m)
10:40PM
0.79
11:28AM
0.48
11:27PM
0.80
12:23PM
0.59
12:09AM
0.79
1:10PM
0.72
12:48AM
0.76
1:53PM
0.84
1:25AM
0.72
2:36PM
0.94
2:02AM
0.66
3:20PM
1.00
2:38AM
0.60
4:05PM
1.03
Low Tide
/ height (m)
6:03AM
0.27
4:33PM
0.30
6:24AM
0.21
5:49PM
0.30
6:48AM
0.14
6:55PM
0.29
7:15AM
0.08
7:54PM
0.28
7:45AM
0.03
8:50PM
0.28
8:16AM
-0.01
9:46PM
0.30
8:49AM
-0.02
10:44PM
0.32
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tue
29
Sunrise-----5:58-------5:58-------5:56-------5:56-------5:56-------5:54-------5:54------
Sunset6:42-------6:43-------6:43-------6:43-------6:44-------6:44-------6:44-------6:45---
rain showerspart cloudpart cloudpart cloudclearpart cloudpart cloudlight rainrain showersclearpart cloudclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloudthunderstorm clearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclear
Rain (mm)
1------12-------------------------------1-------------------
Temp. °C242423232324252424242423232425252524242424242525252424242324252524242423232424242424232323242525252423232324252524242323
Feels °C (?)242424242426272626262625252525252524242425252625252424252324242523242423232424242424232322232424242322222323242524242322
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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