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

information circle12 Day Weather and Surf, issued 1 pm Tuesday 28 Jan 2025 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
24.8° C
(Which is slightly warmer than usual)


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 (Jan 28) at 5PM. The primary swell is predicted to be 1.2m and 14s period with a secondary swell of 1.6m and 10s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Backdoor in the next 12 days are 2.5m 13s and forecast to arrive on Tuesday (Feb 04) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (Jan 30) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Tue 28th Jan)4ft (1.2m) 14s
Best Surf 8PM (Tue 28th Jan)6.5ft (2.0m) 13s
Most Powerful11AM (Tue 4th Feb)8ft (2.5m) 13s

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

Updates in  hr  min  s Forecast update imminent
Tue
28
Wednesday
29
Thursday
30
Friday
31
Saturday
01
Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sun
09
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
NNW
2
NNW
1.7
NNW
1.6
NNW
1
NNW
2
WSW
2.5
W
2.5
W
2.1
N
2.3
N
2.1
N
1.9
N
1.9
NNE
2
NNE
1.9
NNE
2.2
NNE
2.5
NNE
2.4
NNE
2.5
NNE
2.5
NNE
2.5
NNE
2.5
NNE
2.5
NNE
2.4
NNE
2.3
NNE
2.2
NNE
1.8
NE
1.7
NE
1.5
NE
3
NNW
2.5
NNW
2.4
NNE
3.5
N
3.5
N
3.5
N
3
N
Period(s) (?)14131212118101012121112111111121313131313131212121112111111111313121212
Wave
Graph
(?)Metric surfscale
Energy (?)547127982068025948914611153124814721147976961916885142620231834211322992345231019271789152811828367265242076165819653676399833642239
Wind
(km/h)
15
NE
10
E
15
SE
20
S
35
SSW
35
SW
35
W
30
WSW
25
W
15
WNW
10
N
15
NNE
15
NNE
20
NE
20
ENE
20
ENE
25
NE
25
NE
25
NE
30
NE
30
NE
35
NE
30
ENE
25
ENE
30
NE
25
NNE
30
NNE
30
NNE
25
NNE
30
NE
30
NNE
25
NNE
15
NNE
15
WNW
15
S
30
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
offcross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
off
cross-
off
crosscrosscrosscrosscrosscrosscross-
off
cross-
off
crosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
oncross-
off
cross-
off
High Tide
/ height (m)
3:25AM
0.84
2:07PM
0.38
3:52AM
0.82
2:58PM
0.41
4:17AM
0.79
3:54PM
0.43
4:40AM
0.73
4:56PM
0.46
4:59AM
0.66
6:11PM
0.48
5:12AM
0.59
7:54PM
0.51
5:03AM
0.53
10:14PM
0.57
11:44PM
0.65
12:35AM
0.72
1:16AM
0.76
1:51AM
0.79
12:11PM
0.33
Low Tide
/ height (m)
7:41PM
-0.01
10:24AM
0.29
8:19PM
0.01
10:43AM
0.27
8:57PM
0.06
11:04AM
0.25
9:37PM
0.13
11:29AM
0.21
10:19PM
0.23
11:56AM
0.18
11:06PM
0.34
12:27PM
0.16
12:17AM
0.45
1:07PM
0.14
2:01PM
0.13
3:16PM
0.12
4:34PM
0.10
5:39PM
0.07
9:30AM
0.30
Tue
28
Wednesday
29
Thursday
30
Friday
31
Saturday
01
Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sun
09
Sunrise--7:09--7:09--7:09--7:09--7:09--7:09--7:07--7:07--7:07--7:07--7:07--7:05
Sunset6:19--6:19--6:20--6:21--6:21--6:22--6:22--6:22--6:23--6:23--6:24--6:24--
part cloudpart cloudpart cloudpart cloudthunderstorm thunderstorm thunderstorm cloudthunderstorm light rainpart cloudpart cloudclearclearclearclearpart cloudpart cloudpart cloudpart cloudclearpart cloudpart cloudclearpart cloudpart cloudpart cloudcloudpart cloudrain showersrain showersrain showersrain showerspart cloudthunderstorm thunderstorm
Rain (mm)
----113-12-------------------2162-51
Temp. °C222123242425242323222222222121222121222222222222232221212020211920211921
Feels °C (?)202022232222202020212321212019201817191817171618191716151514151418201917

Short Range Forecast: Light rain (total 6mm), mostly falling on Thu afternoon. Warm (max 25°C on Thu morning, min 20°C on Tue night). Winds increasing (light winds from the ENE on Tue night, strong winds from the WSW by Thu afternoon).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 22°C on Fri afternoon, min 20°C on Sat night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 23°C on Wed afternoon, min 21°C on Mon afternoon). Mainly fresh winds.

Long Range Forecast: Moderate rain (total 19mm), heaviest on Fri night. Warm (max 22°C on Sun afternoon, min 19°C on Thu night). Winds decreasing (fresh winds from the NE on Fri morning, light winds from the WSW by Sat night).

  • 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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