Big Lefts surf break

Big Lefts surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Tuesday 21 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Big Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Lefts sea temperature is
24.8° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Big Lefts this week:

The most powerful waves expected at Big Lefts in the next 16 days are 0.7m 14s and forecast to arrive on Sunday (Apr 26) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Saturday (Apr 25) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2PM (Sun 26th Apr)2.5ft (0.7m) 14s

Table - best surf conditions forecast for Big Lefts over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Wed afternoon, min 22°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Mon afternoon, min 22°C on Sat night). Wind will be generally light.

Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tue
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.9
NNE
15
1.2
NNE
13
0.6
E
7
1
NNE
12
1
NNE
11
0.9
NNE
10
0.8
NNE
10
0.2
SSW
16
0.3
SW
16
0.4
SSW
13
0.5
SW
15
0.6
SSW
16
0.6
SSW
15
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.6
SSW
13
0.6
SSW
13
0.5
SW
13
0.5
SW
12
0.4
SW
12
Wave Graph
Metric surfscale
Energy kJ
0
0
36
0
0
0
0
25
40
70
113
162
148
169
167
153
118
114
83
73
37
Wind (km/h)
10
NE
10
ENE
10
NE
15
NE
20
NE
20
NE
25
NE
25
NE
25
NE
25
NE
25
ENE
25
ENE
30
ENE
20
ENE
25
NE
20
ENE
20
ENE
20
NE
25
ENE
25
ENE
30
ENE
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
8:13PM0.62m
8:44AM0.08m
9:21PM0.59m
10:46AM0.12m
10:27PM0.55m
12:06PM0.19m
11:27PM0.51m
12:58PM0.27m
00:17AM0.46m
1:38PM0.34m
1:01AM0.41m
2:14PM0.41m
1:39AM0.36m
2:46PM0.48m
Low Tide
4:34AM0.02m
12:59PM0.01m
5:34AM-0.01m
2:32PM0.07m
6:16AM-0.02m
4:20PM0.10m
6:49AM-0.04m
5:52PM0.11m
7:15AM-0.05m
7:05PM0.10m
7:39AM-0.06m
8:07PM0.09m
8:00AM-0.07m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:03
6:03
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
6:52
6:53
6:53
6:54
6:54
1
1
Temp °C
24
24
25
24
24
24
23
24
24
23
23
24
23
24
24
23
24
25
23
23
23
26
25
26
25
24
23
22
21
22
21
21
21
21
23
22
21
23
23
21
22
20
Swell 1
Height (m)
Direction
Period (s)
0.9
NNE
15
1.2
NNE
13
1.1
NNE
13
1
NNE
12
1
NNE
11
0.9
NNE
10
0.8
NNE
10
0.5
W
13
0.5
W
13
0.4
WNW
12
0.5
SW
15
0.6
SSW
16
0.6
SSW
15
0.6
SW
14
0.6
SW
14
1.2
NE
8
1.1
NE
8
1.1
NE
8
1
NE
8
1
NE
7
0.9
NE
7
Energy kJ
334
499
389
260
222
155
109
87
85
47
113
162
148
169
167
173
161
149
108
100
82
Swell 2
Height (m)
Direction
Period (s)
0.7
NE
8
0.7
W
14
0.7
W
13
0.6
W
13
0.5
W
13
0.5
W
12
0.4
W
12
0.2
SSW
16
0.3
SW
16
0.4
SSW
13
0.4
NW
14
0.4
NNW
13
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.6
SW
14
0.6
SSW
13
0.6
SSW
13
0.5
SW
13
0.5
SW
12
0.4
SW
12
Energy kJ
64
191
173
121
80
77
46
25
40
70
49
67
59
58
55
153
118
114
83
73
37
Swell 3
Height (m)
Direction
Period (s)
0.7
W
14
0.6
NNW
14
0.6
NNW
13
0.5
NW
13
0.4
NNW
12
0.4
NW
12
0.4
WNW
15
0.2
SSW
13
0.3
SSW
13
0.4
NW
12
0.4
WNW
11
0.3
WNW
11
0.3
W
11
0.2
W
10
0.2
SSE
13
0.4
NNW
11
0.4
NW
11
0.4
NW
11
0.4
NW
10
0.3
NW
15
0.4
NW
14
Energy kJ
199
125
118
80
58
37
71
17
35
38
43
23
20
8
17
48
30
30
28
34
51
Wind waves
Height (m)
Direction
Period (s)
0.6
E
7
0.5
NE
4
0.7
NE
4
0.8
NE
4
0.7
NE
4
1.4
NE
9
1.4
NE
9
1.4
NE
8
1.4
NE
8
1.5
NE
8
1.6
NE
8
1.3
NE
8
1.3
NE
8
Energy kJ
36
6
18
22
18
287
287
286
266
289
304
221
227
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
Distance (km)
0
0
0
0
0
0
0
0
0
0
29
29
29
1
0
0
3
0
0
0
30
Best forecast wave conditions in Oahu
Rating
(10 max)
3
4
4
3
3
2
1
2
1
2
3
3
3
3
2
2
2
2
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
3
4
4
3
3
2
3
4
2
2
3
3
3
3
2
2
2
2
2
2
4
Header Global
Rating
(10 max)
8
9
9
5
5
5
5
5
5
4
5
4
5
5
5
4
5
5
5
5
5
  • 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 Big Lefts Surf forecast

The above surf forecast table for Big Lefts provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Big Lefts can be found by selecting the local surf guide option on the grey menu. Our Big Lefts 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 (Big Lefts) 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 Big Lefts 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.

Big Lefts is 4 km (2 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.

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