Surf Forecast Surf Report
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Backdoor surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 pm Tuesday 10 Dec 2024 HST
Forecast update in hr  min  s Forecast update imminent
Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backdoor sea temperature is
25.5° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Backdoor this week:

The surf forecast for Backdoor over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 10) at 8PM. The primary swell is predicted to be 2.4m and 15s period with a secondary swell of 0.4m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Backdoor in the next 12 days are 3.0m 20s and forecast to arrive on Tuesday (Dec 17) at 8PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Wednesday (Dec 11) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 10th Dec)8ft (2.4m) 15s
Best Surf 8PM (Tue 17th Dec)10ft (3.0m) 20s
Most Powerful 8PM (Tue 17th Dec)10ft (3.0m) 20s

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

Updates in  hr  min  s Forecast update imminent
Tue
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sun
22
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
NNW
2
NNW
1.7
NNW
1.4
NNW
1.6
NW
1.5
NW
1.6
NW
1.3
NW
1.6
NW
1.5
NW
1.4
NW
1.3
NW
1.2
NW
1.1
NW
0.8
NW
0.8
NW
0.7
NW
0.7
NW
0.8
NNW
1.6
NNW
1.5
NW
2.5
NW
5
NNW
5
NNW
4
NNW
3.5
NNW
4
NNW
4
NNW
3.5
NNW
3
NNW
2.5
NNW
2.3
NNW
2.3
NNW
2.2
NNW
1.9
NW
1.6
NW
Period(s) (?)151413121413141314131312121212121111161422201818171616151414141313131212
Wave
Graph
(?)Metric surfscale
Energy (?)307515128625541063755865591109275562346541631419716412111632699921165561156741464397996636713261474423331326291803178016991137772
Wind
(km/h)
30
ENE
35
E
35
E
35
ENE
35
ENE
35
E
30
ENE
30
ENE
30
ENE
30
E
30
E
30
E
30
ENE
30
ENE
30
E
25
E
25
E
15
ESE
10
ESE
5
SSW
5
ESE
5
NNE
5
WSW
10
NW
10
NNW
15
NE
30
ENE
30
ENE
20
E
20
E
15
ESE
10
SSW
10
SW
25
SSW
10
W
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
glasscross-
off
glassglassononcrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
on
cross-
on
High Tide
/ height (m)
12:41AM
0.66
10:07AM
0.46
1:20AM
0.75
10:48AM
0.41
2:00AM
0.82
11:29AM
0.38
2:40AM
0.86
12:08PM
0.35
3:21AM
0.87
12:44PM
0.34
4:02AM
0.85
1:18PM
0.33
4:41AM
0.82
1:53PM
0.32
5:20AM
0.78
2:29PM
0.31
5:55AM
0.73
3:54PM
0.30
6:26AM
0.68
5:59PM
0.30
6:52AM
0.63
7:14AM
0.57
Low Tide
/ height (m)
4:55PM
0.09
6:54AM
0.43
5:25PM
0.04
8:20AM
0.39
5:59PM
0.00
9:26AM
0.36
6:35PM
-0.03
10:23AM
0.34
7:13PM
-0.04
11:15AM
0.33
7:52PM
-0.03
12:10PM
0.33
8:29PM
-0.01
1:07PM
0.32
9:05PM
0.03
2:02PM
0.31
9:38PM
0.09
2:31PM
0.30
10:06PM
0.17
2:54PM
0.28
10:28PM
0.25
3:15PM
0.25
Tue
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sun
22
Sunrise--7:00--7:01--7:01--7:01--7:03--7:03--7:03--7:03--7:05--7:05--7:05--7:05
Sunset5:50--5:50--5:51--5:51--5:52--5:52--5:52--5:52--5:52--5:53--5:53--5:54--
clearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearpart cloudclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudclearclearrain showersclearthunderstorm thunderstorm
Rain (mm)
--------------------------------1-92
Temp. °C252424242324242424242324252424252425252425252425252323232324252425252424
Feels °C (?)222219201920212221212121222222232325262727272727252420202124262627232426

Short Range Forecast: Mostly dry. Warm (max 25°C on Tue afternoon, min 23°C on Tue night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Sat afternoon, min 23°C on Fri afternoon). Mainly fresh winds.

Days 6-9 Weather Summary Mostly dry. Warm (max 25°C on Mon afternoon, min 22°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the NE by Thu morning).

Long Range Forecast: Moderate rain (total 13mm), heaviest on Sat night. Warm (max 25°C on Fri afternoon, min 22°C on Sat night). Winds decreasing (fresh winds from the ENE on Thu afternoon, light winds from the SW by Sun morning).

  • Map Icons:
  • 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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Information about the Backdoor Surf forecast

The above surf forecast table for Backdoor provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Backdoor can be found by selecting the local surf guide option on the grey menu. Our Backdoor 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 (Backdoor) 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 Backdoor 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.

Backdoor is 19 km (12 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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