Surf Forecast Surf Report

Nanakuli Blackrocks surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 26 Apr 2025 HST
Forecast update in hr  min  s Forecast update imminent
Nanakuli Blackrocks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nanakuli Blackrocks sea temperature is
25.6° C
(Which is slightly warmer than usual)


How big are the waves at Nanakuli Blackrocks today?

The current surf forecast for Nanakuli Blackrocks at 10PM is: 0.9m 14s primary swell from a Northwest direction and 0.5m 10s secondary swell from a South-southeast direction (forecast issued at 07:00pm April 26). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (26 Apr)--
Afternoon (26 Apr)2.5ft (0.8m)16s
Evening (26 Apr)3ft (0.9m)14s

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

Updates in  hr  min  s Forecast update imminent
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sun
04
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NW
0.8
NW
0.9
NW
0.9
NW
0.9
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.7
NW
0.7
NW
0.7
NW
0.7
NW
0.7
NW
0.6
NW
0.6
NW
0.7
NW
0.7
NW
0.7
NW
0.7
NW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.6
SSW
0.6
SSW
0.5
SW
0.5
SW
0.5
SW
0.6
S
0.7
S
0.7
S
0.6
S
0.7
S
0.9
S
0.9
S
0.8
S
0.8
NNW
0.9
NNW
1
NNW
1.2
NNW
1.3
NNW
1.3
NNW
1.3
NNW
1.3
NNW
1.2
NNW
1
NNW
0.9
NNW
1
NNW
0.9
NNW
0.9
NNW
0.9
NNW
0.9
NNW
0.9
NNW
0.9
NNW
0.9
NNW
0.7
NNW
0.6
NNW
0.6
SSW
0.7
SSW
Period(s) (?)151414141413131313121212121211111212121218181817171616161620201919181818181616151514141313131212121211111111111111101616
Wave
Graph
(?)Metric surfscale
Energy (?)262251346336264208205205196144141141141144878013413713713412312112011719318112712712527637336926231450449839533945249357663858653652043030424729423919319319317016716711971171226
Wind
(km/h)
10
NW
5
NW
5
NNW
5
N
5
NNE
5
NE
5
SW
5
W
5
NW
5
N
5
NE
5
ESE
0
SE
0
SSW
5
W
10
WNW
10
NW
10
NNW
5
NNE
5
NNE
0
WNW
5
NNW
5
WNW
10
W
10
NW
5
N
5
NE
5
SE
5
E
5
NE
0
E
5
S
5
ENE
20
ENE
15
ENE
15
ENE
15
ENE
20
ENE
20
E
20
ENE
25
ENE
20
ENE
25
ENE
25
E
25
ENE
25
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
E
25
E
20
ENE
30
E
30
ENE
25
E
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrossglasscross-
off
glassglassglassglasscross-
off
glassglassglassglassglasscross-
on
crosscrosscross-
off
glassglasscrosscross-
on
cross-
on
crosscross-
off
glassglassglassoffglassglassoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoff
High Tide
/ height (m)
3:25PM
0.71
2:53AM
0.39
4:07PM
0.77
3:32AM
0.33
4:52PM
0.80
4:10AM
0.27
5:40PM
0.79
4:50AM
0.23
6:32PM
0.76
5:38AM
0.19
7:29PM
0.71
7:03AM
0.17
8:31PM
0.66
9:45AM
0.19
9:35PM
0.61
Low Tide
/ height (m)
10:01PM
0.17
8:51AM
-0.01
11:04PM
0.16
9:21AM
-0.02
12:10AM
0.17
9:53AM
-0.01
1:24AM
0.17
10:27AM
0.02
2:50AM
0.17
11:04AM
0.06
4:20AM
0.16
11:45AM
0.11
5:21AM
0.14
12:43PM
0.17
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sun
04
Sunrise-----6:03-------6:03-------6:03-------6:01-------6:01-------6:01-------6:00------
Sunset6:54-------6:55-------6:55-------6:57-------6:57-------6:57-------6:58-------6:58---
part cloudclearthunderstorm thunderstorm clearpart cloudpart cloudthunderstorm thunderstorm thunderstorm thunderstorm clearthunderstorm clearclearrain showersrain showersclearclearclearclearclearclearrain showersclearclearclearclearclearclearclearclearpart cloudclearclearclearclearclearpart cloudpart cloudclearclearclearpart cloudclearclearclearclearclearclearclearclearclearclearclearpart cloudclearpart cloudclearclear
Rain (mm)
--11---1231-1--11------1------------------------------------
Temp. °C252424242324252424242424232424242524242323232424242424232323252525242424232426262624242423242525252423232324252625242423
Feels °C (?)272626272527282726262627262726262626262626252625252526252525282726232424232426242523232321232322222221212223232522222222
  • 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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