Surf Forecast Surf Report
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Nanakuli Blackrocks location map

Nanakuli Blackrocks surf Forecast / HAW – Oahu / USA

12 Day Weather and Surf, issued 1 am Friday 26 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 26 Apr 1981-2005 - mean: 24.7 °C max: 25.6 °C min: 23.8 °C)
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  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 26 Apr 1981-2005 - mean: 24.7 °C max: 25.6 °C min: 23.8 °C)


Best Forecast Surf Conditions for Nanakuli Blackrocks this week:

The surf forecast for Nanakuli Blackrocks over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Apr 26) at 5AM. The primary swell is predicted to be 0.6m and 12s period with a secondary swell of 0.7m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Nanakuli Blackrocks in the next 12 days are 0.9m 14s and forecast to arrive on Friday (Apr 26) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 8s period and expected on Friday (Apr 26) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 26th Apr)2ft (0.6m) 12s
Best Surf 5PM (Fri 26th Apr)2.5ft (0.8m) 15s
Most Powerful11PM (Fri 26th Apr)3ft (0.9m) 14s

Table - best surf conditions forecast for Nanakuli Blackrocks over the next 12 days.

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Quick surf report for Nanakuli Blackrocks:

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Updates in  hr  min  s Update imminent
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
NNW
0.8
NNW
0.9
NNW
0.8
NNW
0.7
NW
0.7
NNW
0.6
NNW
0.6
NNW
0.6
NNW
0.6
NNW
0.7
SSW
0.6
SSW
0.5
SSW
0.5
S
0.5
S
0.6
SSW
0.5
S
0.5
S
0.5
SW
0.4
SSW
0.7
SSW
0.6
SSW
0.6
SSW
0.6
NW
0.9
NW
0.9
NW
0.8
NW
0.6
NW
0.6
NW
0.5
S
0.6
S
0.5
S
0.4
SSW
0.4
S
0.4
SW
0.4
SSW
Period(s) (?)161514131212121111111615141313161214141716161616141413121218161614151619
Wave
Graph
(?)Metric surfscale
Energy (?)173283307219154127918278782171671079010217177106103119229169162196301272205124118150183121816761125
Wind
(km/h)
25
E
20
ESE
15
ENE
10
SSE
10
ENE
10
ESE
5
SE
0
WNW
15
E
5
SSE
5
ESE
15
ENE
10
E
15
ENE
15
ENE
20
ENE
20
E
15
ENE
15
E
20
NE
15
NE
10
NE
20
NE
10
ENE
10
NE
10
NE
20
NE
20
NE
20
NE
15
NE
20
ENE
25
ENE
25
NE
30
ENE
30
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
offcross-
off
offcross-
off
glassglassoffcross-
off
cross-
off
offcross-
off
offoffoffoffoffoffoffoffoffoffoffoffcross-
off
offoffcross-
off
offoffoffoffoffoffoff
High Tide
/ height (m)
5:55PM
0.68
4:37AM
0.23
6:43PM
0.67
4:48AM
0.20
7:41PM
0.65
8:45PM
0.64
9:42AM
0.17
9:51PM
0.63
11:41AM
0.24
10:51PM
0.62
12:34PM
0.33
11:43PM
0.59
1:16PM
0.43
12:31AM
0.55
1:55PM
0.54
1:15AM
0.50
2:34PM
0.64
1:57AM
0.43
3:14PM
0.72
2:37AM
0.37
3:54PM
0.77
3:16AM
0.31
Low Tide
/ height (m)
10:02AM
0.05
1:48AM
0.21
10:29AM
0.06
3:45AM
0.20
11:00AM
0.08
11:38AM
0.11
5:58AM 12:43PM
0.15 0.16
6:14AM
0.12
2:53PM
0.21
6:33AM
0.10
4:55PM
0.23
6:54AM
0.07
6:29PM
0.23
7:17AM
0.05
7:45PM
0.22
7:41AM
0.02
8:53PM
0.20
8:06AM
0.01
9:56PM
0.18
8:33AM
-0.01
10:57PM
0.17
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Sunrise6:03--6:03--6:03--6:01--6:01--6:01--6:00--5:58--5:58--5:58--5:58--5:56--
Sunset-6:55--6:55--6:57--6:57--6:57--6:58--6:58--6:59--6:59--6:59--7:00--7:00-
part cloudpart cloudpart cloudpart cloudrain showerspart cloudclearpart cloudpart cloudclearpart cloudpart cloudclearpart cloudclearpart cloudpart cloudclearpart cloudpart cloudclearclearpart cloudclearclearpart cloudpart cloudclearpart cloudpart cloudpart cloudclearpart cloudclearclearpart cloud
Rain (mm)
----1-------------------------------
Temp. °C242523252424242524242524252524252624252624252524242423232322232422232422
Feels °C (?)222423262525262826252625262624242423242523252524242422222220212219182018

Short Range Forecast: Some drizzle, heaviest during Sat afternoon. Warm (max 25°C on Fri afternoon, min 22°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Wed afternoon, min 23°C on Mon morning). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 26°C on Thu afternoon, min 21°C on Sat night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 24°C on Mon afternoon, min 21°C on Sun night). Mainly fresh winds.

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Information about the Nanakuli Blackrocks Surf forecast

The above surf forecast table for Nanakuli Blackrocks provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nanakuli Blackrocks can be found by selecting the local surf guide option on the grey menu. Our Nanakuli Blackrocks surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nanakuli Blackrocks) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Nanakuli Blackrocks may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Nanakuli Blackrocks is 6 km (4 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.

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