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Nanakuli Blackrocks location map

Nanakuli Blackrocks surf Forecast / HAW – Oahu / USA

48hr Weather and Surf, issued 7 am Thursday 18 Apr 2024 HST
Forecast update in  hr  min  s 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 24.5°C (Statistics for 18 Apr 1981-2005 - mean: 24.5 °C max: 25.3 °C min: 23.6 °C)
  • 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>
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 24.5°C (Statistics for 18 Apr 1981-2005 - mean: 24.5 °C max: 25.3 °C min: 23.6 °C)

How big are the waves at Nanakuli Blackrocks today?

The current surf forecast for Nanakuli Blackrocks at 10AM is: 0.8m 16s primary swell from a South-southwest direction (forecast issued at 07:00am April 18). An open ocean swell of 1.6m 9s is not directed at the surf break, a second open ocean swell of 0.7m 9s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (18 Apr)2.5ft (0.8m)16s
Afternoon (18 Apr)3ft (0.9m)16s
Evening (18 Apr)2.5ft (0.8m)16s

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

Hourly12 Days
Oahu Surf
Print Surf Table
Updates in  hr  min  s Update imminent 
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
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)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
2
2
2
3
3
3
2
1
1
1
1
1
1
1
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSW
0.8
SSW
0.8
SSW
0.9
SW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.6
SSW
0.6
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.4
SSW
0.5
SSW
0.4
SSW
0.4
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.7
SSW
0.7
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.5
SW
0.4
SSW
0.4
SSW
0.5
SSW
0.6
WNW
0.6
WNW
0.6
NW
0.7
NW
Period(s) (?)161616161616161616151515151515151515141415151516161616161616151515151515151417171717161616161616161515151514161514141413
Wave
Graph
(?)Metric surfscale
Energy (?)3263263263673223223183142452362292262232231931931911881381381881992092171661661641641621601581521461448412185811951931882462401691641642172152171581541481088183131138138162183
Wind
(km/h)
15
NE
15
NE
15
ENE
15
ENE
25
NE
25
NE
25
NE
20
NE
20
NE
20
ENE
20
ENE
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
NE
20
ENE
15
ENE
15
ENE
10
ENE
10
ENE
15
ENE
15
ENE
10
ENE
15
NE
15
ENE
15
ENE
20
NE
20
NE
25
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
30
ENE
25
ENE
20
ENE
25
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
35
ENE
30
ENE
30
E
35
E
30
ENE
30
E
25
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoff
High Tide
/ height (m)
1:41PM
0.37
1:07AM
0.53
2:08PM
0.43
1:39AM
0.51
2:35PM
0.50
2:08AM
0.48
3:03PM
0.56
2:36AM
0.44
3:32PM
0.62
3:03AM
0.39
4:03PM
0.65
3:29AM
0.35
4:36PM
0.68
3:54AM
0.30
Low Tide
/ height (m)
7:41AM
0.12
6:43PM
0.22
7:55AM
0.11
7:38PM
0.21
8:09AM
0.10
8:27PM
0.20
8:25AM
0.09
9:14PM
0.19
8:41AM
0.07
10:00PM
0.19
8:58AM
0.06
10:47PM
0.19
9:17AM
0.06
11:37PM
0.19
9:39AM
0.05
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Sunrise-6:09-------6:09-------6:07-------6:07-------6:07-------6:05-------6:05-------6:05--
Sunset----6:52-------6:52-------6:53-------6:53-------6:53-------6:54-------6:54-------
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Rain (mm)
------------------------------------------------------------
Temp. °C222224242322222222222324232322222222232424232222212223232323232222222324232222222222232424222222222223232323222222222425
Feels °C (?)222224232120202121202122202221212121232424232222212223222222212020202121201919202020202121192020201920191920191818182122

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nanakuli Blackrocks 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 Nanakuli Blackrocks at:
surf-forecast.com

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