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Surf Forecasts

Nanakuli Blackrocks surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Wednesday 12 Feb 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
25.0° C
 (Which is slightly warmer than usual)

How big are the waves at Nanakuli Blackrocks today?

The current surf forecast for Nanakuli Blackrocks at 10AM is: 2.1m 16s primary swell from a West-northwest direction (forecast issued at 07:00am February 12). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 4.

Time (HST) & DateWave HeightWave Period
Morning (12 Feb)7ft (2.1m)16s
Afternoon (12 Feb)7ft (2.1m)16s
Evening (12 Feb)6.5ft (2.0m)15s

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

Hourly12 Days
Oahu Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
5 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 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
4
4
3
2
3
3
4
4
4
3
2
2
0
1
1
2
2
2
2
2
3
4
4
4
4
4
3
2
3
3
3
2
2
2
2
2
1
2
1
1
1
1
1
2
2
3
4
4
4
4
3
3
2
4
4
4
4
4
4
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.2
NW
2.2
NW
2.1
WNW
2.1
WNW
2.1
WNW
2
WNW
2
WNW
1.9
WNW
1.9
WNW
1.7
WNW
1.7
WNW
1.6
WNW
1.5
WNW
1.4
WNW
1.3
WNW
1.3
WNW
1.3
WNW
1.3
WNW
1.4
NW
1.8
NW
2.3
NW
2.5
NW
2.5
NW
2.4
NW
2.3
NW
2.1
NW
1.5
WNW
1.6
WNW
1.4
WNW
1.5
NNW
1.3
NNW
1.3
NNW
1.2
WNW
1.2
NNW
1.6
NNW
1.6
NNW
1.5
NNW
1.4
NNW
1.3
NNW
1.2
NNW
1.1
NNW
0.8
NW
1.2
NW
1.6
NW
1.4
NW
1.5
NW
1.8
NW
1.9
NW
2.1
NW
2.1
NW
2.1
NW
2.1
NW
2.1
NW
2.2
NW
2.2
NW
2.2
NW
2.2
NW
2.2
NW
2.1
NW
2.1
NW
Period(s) (?)161616161615151515141414141414141313131315141413131313131312121212121514141313121217161615151616161616151515151515151515
Wave
Graph
(?)Metric surfscale
Energy (?)234923202178217821231833169315081488126111261042921752644561545599711106721482509227120631804156579378766963650843641937910911002813663560440333338746127187997916311852208020542028210220212094209420942038203819331760
Wind
(km/h)
0
NE
0
NE
5
SW
10
SW
10
WSW
5
WSW
5
SW
0
S
5
SE
5
S
10
SW
15
SW
20
SSW
15
S
15
S
10
S
10
SSE
10
SSE
10
SSE
10
S
5
S
5
ESE
5
E
10
ENE
10
ENE
10
ENE
10
ESE
10
SSE
5
SSE
10
ENE
10
E
10
SE
15
ESE
10
SE
15
SSW
15
SW
15
SSW
15
S
15
S
15
S
10
S
10
S
10
SSW
10
SSW
10
SW
5
S
5
ESE
5
SE
5
SE
10
SE
10
SSE
15
S
10
S
5
NW
10
NNE
5
SE
5
SE
5
ESE
5
SSW
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassononononglassglassglasscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
off		offoffoffoffcross-
off		crosscross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glassglassglasscross-
off		cross-
off		crosscrosscross-
on		glasscross-
off		glassglasscross-
off		glasson
High Tide
/ height (m)
4:05AM
0.72
4:02PM
0.35
4:32AM
0.68
4:39PM
0.38
4:57AM
0.63
5:18PM
0.42
5:19AM
0.57
5:59PM
0.44
5:38AM
0.51
6:44PM
0.46
5:52AM
0.44
7:36PM
0.48
5:57AM
0.39
8:43PM
0.49
5:01AM
0.34
Low Tide
/ height (m)
11:00AM
0.13
9:32PM
0.06
11:19AM
0.12
10:11PM
0.10
11:37AM
0.12
10:51PM
0.15
11:55AM
0.12
11:33PM
0.21
12:13PM
0.12
12:22AM
0.26
12:31PM
0.12
1:28AM
0.31
12:53PM
0.13
4:11AM
0.34
1:20PM
0.13
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Sunrise-7:03-------7:03-------7:03-------7:03-------7:01-------7:01-------7:01-------7:00--
Sunset----6:28-------6:29-------6:29-------6:30-------6:30-------6:30-------6:30-------
clearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearrain showersclearclearrain showersrain showersrain showersclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudclearclearthunderstorm thunderstorm rain showersrain showersrain showersthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm clearclearcloudpart cloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm clearclear
Rain (mm)
----------------1--121--------------2311112231----15442242--
Temp. °C222224242423232222222424242323232223242424242322222224252523232323232525242323232323242424232323232323232323222222222424
Feels °C (?)252526252525252524242524232324252425252526272524242324262725252524252626262424242525262626262626252524242426242424242626
  • 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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View detailed surf forecast for Nanakuli Blackrocks at:
surf-forecast.com

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