Surf Forecast Surf Report
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Backdoor location map

Backdoor surf Forecast / HAW – Oahu / USA

48hr 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)


How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 5PM is: 1.4m 14s primary swell from a Northwest direction and 0.6m 11s secondary swell from a North direction (forecast issued at 01:00pm March 18). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (18 Mar)5ft (1.5m)14s
Afternoon (18 Mar)5ft (1.5m)14s
Evening (18 Mar)4.5ft (1.3m)14s

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

Updates in  hr  min  s Update imminent
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
1.5
NW
1.5
NW
1.4
NW
1.3
NW
1.3
NW
1.3
NW
1.3
NW
1.2
NW
0.9
NW
1.3
NW
1.5
NW
1.7
NW
1.8
NW
2
NW
2.2
NW
2.3
NW
2.3
NW
2.1
NW
2.1
NW
2.1
NW
2
NW
1.9
NW
1.8
NW
1.6
NW
1.6
NW
1.6
NW
1.4
NW
1.3
NW
1.3
NW
1.2
NW
1.1
NW
1.1
NW
1
NW
1.6
NE
1.9
NE
0.8
NW
1.1
NW
1.2
NW
1.6
NW
1.6
NW
1.6
NW
1.6
NW
1.6
NW
1.6
NW
1.6
NW
1.4
NW
1.4
NW
1.3
NW
1.3
NW
1.1
NW
1.1
NW
1.4
NW
1.7
WNW
1.9
WNW
2.2
NW
2
WNW
2.1
NW
2.1
NW
2
WNW
1.9
WNW
Period(s) (?)1414141414131313212018181716161616151514141413131313131212121212116618171616161615151515141414141420201818171716161616
Wave
Graph
(?)Metric surfscale
Energy (?)911899799666647637628495721122314831781201821032434254825162102191517361602144311029058928146435204574033492982332072873666487761240135013331235121912351048833821658639471899155118392187277822962173211919821677
Wind
(km/h)
15
E
20
ENE
20
ENE
20
E
20
E
15
E
20
ENE
20
E
20
E
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
NE
30
NE
25
ENE
25
ENE
30
ENE
30
ENE
35
ENE
30
NE
30
NE
30
ENE
35
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
30
E
30
ENE
30
E
30
ENE
30
E
30
E
30
E
30
E
30
E
30
E
30
E
30
E
20
E
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
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
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
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
10:40AM
0.26
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
Low Tide
/ height (m)
9:41AM
0.26
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
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Sunrise-------6:35-------6:35-------6:33-------6:33-------6:31-------6:31-------6:30----
Sunset--6:42-------6:43-------6:43-------6:43-------6:44-------6:44-------6:44-------6:45-
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Rain (mm)
------------------------------1------------------------11---
Temp. °C232322222222222222222221212121212222222222212121222222222121212122212121202120212222222121212222232323222222222222222222
Feels °C (?)212120202020202019191918181919171918191918181817181818181718171718171717151616161717181717181918202020191919202120191919

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