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Surf Forecasts:

Number Fours surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Tuesday 28 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Number Fours surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Number Fours sea temperature is
25.0° C
 (Which is normal for this time of year)

How big are the waves at Number Fours today?

The current surf forecast for Number Fours at 2PM is: 1.1m 7s primary swell from a East-northeast direction and 0.4m 12s secondary swell from a Southwest direction (forecast issued at 07:00am April 28). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (28 Apr)4ft (1.2m)7s
Afternoon (28 Apr)3.5ft (1.1m)7s
Evening (28 Apr)4ft (1.2m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Mostly dry. Warm (max 25°C on Tue afternoon, min 23°C on Tue morning). Mainly fresh winds.

Tuesday
28
Wednesday
29
Thursday
30
Fri
1
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<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><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><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)
1.3
ENE
7
1.2
ENE
7
1
ENE
7
1.1
ENE
7
1.1
ENE
7
1.1
ENE
7
1.3
ENE
7
1.3
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
0.2
SSW
11
0.2
SSW
13
0.2
SSW
13
1.6
ENE
6
1.6
E
6
1.7
ENE
6
1.8
ENE
7
1.8
ENE
7
1.7
ENE
7
1.8
ENE
7
2.2
ENE
7
2.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
158
128
99
105
105
118
154
172
197
186
176
171
12
17
17
218
220
226
278
286
257
286
432
485
Wind (km/h)
25
ENE
25
NE
20
ENE
25
ENE
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
NE
30
NE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
Wind State
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
2:46PM0.48m
2:14AM0.31m
3:18PM0.52m
2:47AM0.27m
3:49PM0.56m
Low Tide
8:00AM-0.07m
9:01PM0.08m
8:20AM-0.07m
9:50PM0.06m
8:41AM-0.07m
10:37PM0.06m
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:54
—
—
—
—
—
—
—
6:54
—
—
—
—
—
—
—
6:55
—
—
6:55
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
23
23
24
25
24
23
23
23
23
23
23
24
23
23
23
23
23
23
24
24
24
23
23
23
Feels °C
21
21
23
23
22
21
21
20
20
19
19
21
19
20
20
20
19
19
20
20
20
19
19
19
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
13
1.2
ENE
7
1
ENE
7
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
NW
14
0.4
NW
14
0.4
NW
13
0.4
NNW
13
0.4
NNW
13
0.4
NNW
12
0.5
NW
12
0.6
NNW
12
0.6
NNW
12
0.6
NNW
12
0.6
NNW
13
0.5
NNW
13
0.5
NNW
13
Energy kJ
82
128
99
37
37
37
36
36
36
37
36
51
50
45
66
63
59
72
96
94
98
113
98
96
Swell 2
Height (m)
Direction
Period (s)
0.2
NNW
10
0.5
SW
13
0.4
SSW
12
0.4
NE
8
0.3
NE
8
0.3
NW
13
0.4
NE
8
0.3
NW
13
0.4
NW
12
0.3
NW
11
0.3
NW
12
0.3
SW
12
0.2
SSW
11
0.2
SSE
10
0.2
SSW
13
0.2
S
18
0.3
NE
9
0.2
SSW
12
0.2
S
16
0.4
S
16
0.4
S
16
0.4
S
16
0.3
SSW
16
0.3
S
15
Energy kJ
10
78
58
18
11
28
17
26
40
20
22
21
12
10
17
25
12
15
21
82
81
82
51
41
Swell 3
Height (m)
Direction
Period (s)
0.2
NNE
8
0.2
NNE
8
0.4
NE
8
0.2
NNW
10
0.3
NW
14
0.2
NNE
9
0.3
NW
13
0.2
SSE
11
0.2
NNE
9
0.2
NNW
14
0.2
NNW
14
0.2
SSE
11
0.2
SSE
10
0.2
SSW
13
0.2
SSE
10
0.2
SSE
10
0.2
SSW
12
0.2
SSW
11
0.2
SSW
12
0.3
SSW
12
0.3
SSW
12
0.3
SSW
12
0.2
SSW
12
0.2
SSW
12
Energy kJ
7
7
18
10
29
8
27
12
9
20
20
11
10
17
10
10
15
12
15
28
29
28
14
13
Wind waves
Height (m)
Direction
Period (s)
1.3
ENE
7
—
—
1.1
ENE
7
1.1
ENE
7
1.1
ENE
7
1.3
ENE
7
1.3
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
6
1.5
ENE
6
1.5
ENE
6
1.6
ENE
6
1.6
E
6
1.7
ENE
6
1.8
ENE
7
1.8
ENE
7
1.7
ENE
7
1.8
ENE
7
2.2
ENE
7
2.2
ENE
7
Energy kJ
158
—
—
105
105
118
154
172
197
186
176
171
131
139
153
218
220
226
278
286
257
286
432
485
Nearest Offshore or Glassy
Paradise
HAW - Oahu
Paradise
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Barber's Point - Coast Guard Jetty
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Mala wharf
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Nanakuli Blackrocks
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Ko Olina Resort
HAW - Oahu
Ko Olina Resort
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Nanakuli Blackrocks
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Maili Cloudbreak
HAW - Oahu
Maili Cloudbreak
HAW - Oahu
Maili Cloudbreak
HAW - Oahu
Pokai Bay
HAW - Oahu
Maili Cloudbreak
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Keaulanas
HAW - Oahu
Maili Cloudbreak
HAW - Oahu
Rating
(10 max)
2
2
1
1
1
1
1
1
1
2
2
2
1
1
2
1
2
2
2
2
2
2
3
2
Distance (km)
1
1
31
28
33
31
31
31
31
33
33
33
126
33
31
31
33
39
39
39
42
39
34
39
Best forecast wave conditions in Oahu
Paradise
Paradise
Jockos Point
Off the Wall/Insanities
Kaena Point
Ranches
Ranches
Ranches
Off the Wall/Insanities
Off the Wall/Insanities
Ranches
Sewers (Maili)
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Kaena Point
Ranches
Rating
(10 max)
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
Best forecast wave conditions in United States
Ghost Tree
CAL - Monterey
Cojo
CAL - Santa Barbara
Jockos Point
HAW - Oahu
Off the Wall/Insanities
HAW - Oahu
Fullers
CAL - Monterey
Boners
CAL - San Luis Obispo
Ghost Tree
CAL - Monterey
Ghost Tree
CAL - Monterey
Ghost Tree
CAL - Monterey
Cojo
CAL - Santa Barbara
Ranches
HAW - Oahu
Elwha
Washington
Fullers
CAL - Monterey
Ranches
HAW - Oahu
Boners
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Super Tubes
CAL - Ventura
Mouse Rock
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
3
2
3
2
2
2
2
2
2
2
3
2
Header Global
Cobblestones
Australia
Boneyards
South Africa
Trial Harbour
Australia
Umzumbe
South Africa
Amanzimtoti
South Africa
Haga-Haga
South Africa
Glen Eden
South Africa
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Amanzimtoti
South Africa
Buchupureo
Chile
Lebu
Chile
Papatowai
New Zealand
Airport Rights
New Zealand
Dolphin Point
South Africa
Boneyards
South Africa
Boneyards
South Africa
Boneyards
South Africa
Saint Leu
Reunion
Saint Leu
Reunion
Boneyards
South Africa
Papatowai
New Zealand
Rating
(10 max)
5
5
8
9
9
9
8
8
7
7
6
5
5
5
5
4
6
6
6
6
7
7
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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View detailed surf forecast for Number Fours at:
surf-forecast.com

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