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

12 Day Weather and Surf, issued 1 pm Monday 18 Mar 2024 HST
Forecast update in  hr  min  s 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 23.8°C (Statistics for 18 Mar 1981-2005 - mean: 24.1 °C max: 25.0 °C min: 23.1 °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>
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 23.8°C (Statistics for 18 Mar 1981-2005 - mean: 24.1 °C max: 25.0 °C min: 23.1 °C)


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 Monday (Mar 18) at 8PM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 0.6m and 9s. 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 2.2m 17s and forecast to arrive on Monday (Mar 25) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 7s period and expected on Saturday (Mar 23) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Mon 18th Mar)4.5ft (1.3m) 14s
Best Surf 5AM (Wed 20th Mar)7ft (2.2m) 16s
Most Powerful 5AM (Mon 25th Mar)7ft (2.2m) 17s

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

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Quick surf report for Backdoor:

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Updates in  hr  min  s Update imminent
Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Sat
30
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
NW
1.3
NW
0.9
NW
1.5
NW
2
NW
2.3
NW
2.1
NW
1.9
NW
1.6
NW
1.4
NW
1.2
NW
1
NW
1.9
NE
1.2
NW
1.6
NW
1.6
NW
1.4
NW
1.3
NW
1.1
NW
1.9
WNW
2.1
NW
2
WNW
1.7
WNW
1.4
NW
1.2
WNW
0.9
WNW
0.7
NW
1
NW
0.8
NW
0.8
NW
0.7
NW
1.1
NW
1.3
NW
1.3
NW
1.2
NW
1
NW
Period(s) (?)14132118161615141313121161616151414201816161414131312111111111515141312
Wave
Graph
(?)Metric surfscale
Energy (?)79963772114832103251619151443892643403233287776133312198336398992187217319821142799458277154250150137110505809650495295
Wind
(km/h)
20
ENE
15
E
20
E
25
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
NE
25
ENE
35
ENE
30
NE
30
ENE
35
ENE
30
E
30
ENE
30
E
30
E
30
E
25
ENE
30
ENE
30
ENE
30
E
30
E
35
E
35
E
30
ENE
35
ENE
35
E
30
ENE
35
ENE
30
E
35
E
30
E
15
ESE
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
crosscross-
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
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
12:24AM
0.68
12:00PM
0.31
12:55AM
0.68
12:35PM
0.36
1:20AM
0.68
1:06PM
0.41
1:42AM
0.67
1:36PM
0.47
2:01AM
0.66
2:06PM
0.52
2:17AM
0.63
2:38PM
0.56
2:32AM
0.59
3:10PM
0.60
2:45AM
0.55
3:44PM
0.63
2:54AM
0.51
4:20PM
0.64
2:58AM
0.47
5:02PM
0.64
2:50AM
0.45
5:56PM
0.62
Low Tide
/ height (m)
3:43PM
0.21
8:22AM
0.26
5:09PM
0.19
8:11AM
0.26
6:02PM
0.18
8:11AM
0.25
6:44PM
0.17
8:17AM
0.23
7:21PM
0.17
8:25AM
0.21
7:56PM
0.19
8:36AM
0.19
8:31PM
0.22
8:48AM
0.16
9:07PM
0.26
9:02AM
0.14
9:44PM
0.30
9:18AM
0.12
10:25PM
0.35
9:35AM
0.11
11:15PM
0.40
9:56AM
0.10
10:21AM
0.11
Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Sat
30
Sunrise--6:35--6:35--6:33--6:33--6:31--6:31--6:30--6:28--6:28--6:28--6:26--6:26
Sunset6:42--6:43--6:43--6:43--6:44--6:44--6:44--6:45--6:45--6:45--6:45--6:45--
part cloudpart cloudpart cloudcloudpart cloudcloudclearclearclearpart cloudrain showerspart cloudpart cloudclearpart cloudclearpart cloudclearclearpart cloudrain showerspart cloudpart cloudpart cloudpart cloudcloudpart cloudpart cloudpart cloudpart cloudclearpart cloudclearclearpart cloudclear
Rain (mm)
----------1---------2---------------
Temp. °C232222222122222222222222212122222223232222222223232223232223232223232223
Feels °C (?)212020191819181918181818171717171920201921191920201919191919191919201822

Short Range Forecast: Mostly dry. Warm (max 23°C on Mon afternoon, min 21°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Thu night. Warm (max 23°C on Sun morning, min 20°C on Fri night). Mainly fresh winds.

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Mon morning. Warm (max 23°C on Sun afternoon, min 22°C on Sun night). Mainly fresh winds.

Long Range Forecast: Some drizzle, heaviest during Sat afternoon. Warm (max 23°C on Wed afternoon, min 22°C on Wed night). Winds decreasing (fresh winds from the E on Thu morning, light winds from the ESE by Sat afternoon).

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backdoor 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.


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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