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Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 12 Jul 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
26.1° C
 (Which is normal for this time of year)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 1AM is: 1.5m 8s primary swell from a East direction and 0.2m 10s secondary swell from a North-northwest direction, 0.2m 10s secondary swell from a North-northwest direction (forecast issued at 07:00pm July 12). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (13 Jul)5ft (1.6m)8s
Afternoon (13 Jul)6ft (1.8m)7s
Evening (13 Jul)4.5ft (1.3m)7s

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

Hourly12 Days
Big Island Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 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
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
See all maps
Wave Height (m) & direction (?)
1.7
ENE
1.7
E
1.6
E
1.5
E
1.6
E
1.6
E
1.7
ENE
1.8
ENE
1.6
ENE
1.4
ENE
1.3
ENE
1.3
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.3
ENE
1.5
E
1.4
E
1.5
E
1.7
E
1.8
ENE
1.8
ENE
1.6
E
1.5
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.6
ENE
1.6
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.4
ENE
1.4
ENE
1.4
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.5
ENE
1.2
NE
1.5
ENE
1.4
ENE
1.6
ENE
1.8
ENE
1.9
ENE
1.8
ENE
1.8
ENE
1.7
ENE
1.4
NE
1.6
NE
1.7
ENE
1.8
ENE
2
ENE
2
ENE
1.9
ENE
1.3
NE
1.3
NE
Period(s) (?)888888777777777777777777777777778877777777787888888988888888
Wave
Graph
(?)Metric surfscale
Energy (?)419374322326317301373344297230182197218238219197181200206255226264294323312282250264249245288288264276326297297214240253253253237307319282367405426448413393319343424488488443262262
Wind
(km/h)
20
E
20
E
20
E
20
E
20
E
20
E
20
ENE
20
ENE
25
E
25
E
20
E
20
E
15
E
20
ENE
15
ENE
15
ENE
15
E
15
E
20
E
20
E
25
E
25
E
20
ENE
20
ENE
20
ENE
20
E
20
E
20
E
25
E
25
E
25
ENE
30
ENE
25
ENE
25
E
25
E
20
E
20
E
25
E
25
ENE
25
ENE
25
ENE
20
E
25
E
25
E
25
E
25
E
25
E
25
ENE
25
E
20
E
20
E
20
E
20
E
25
E
25
ENE
25
E
25
E
25
E
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross
High Tide
/ height (m)
4:02AM
0.51
5:07PM
0.95
4:55AM
0.52
5:36PM
0.89
5:58AM
0.53
6:06PM
0.82
7:17AM
0.56
6:36PM
0.74
8:56AM
0.62
7:09PM
0.65
10:36AM
0.71
7:52PM
0.56
11:50AM
0.81
9:14PM
0.49
Low Tide
/ height (m)
11:24PM
0.29
9:52AM
0.09
11:56PM
0.27
10:32AM
0.17
12:30AM
0.24
11:17AM
0.27
1:08AM
0.21
12:16PM
0.39
1:51AM
0.19
1:52PM
0.49
2:41AM
0.16
4:39PM
0.53
3:39AM
0.13
7:02PM
0.47
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
Sunrise-----5:50-------5:50-------5:50-------5:50-------5:52-------5:52-------5:52------
Sunset7:05-------7:05-------7:05-------7:05-------7:05-------7:05-------7:04-------7:04---
clearclearclearclearclearpart cloudclearclearclearclearpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudclearclear
Rain (mm)
------------------------------------------------------------
Temp. °C252524242425262626242424242526262625252424252727262525242425272626252524242527272625252424252727262525252426272726252524
Feels °C (?)252523232324252625232323232426272727262423232627252525232324252424242423232426262524242323242626252525252325262726252523
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimanu Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Waimanu Bay at:
surf-forecast.com

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