Middles/Generals surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Thursday 14 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Middles/Generals surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Middles/Generals sea temperature is
25.5° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Middles/Generals this week:

The surf forecast for Middles/Generals over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 15) at 8AM. The primary swell is predicted to be 1.6m and 8s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Middles/Generals in the next 16 days are 2.5m 8s and forecast to arrive on Thursday (May 21) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 14s period and expected on Thursday (May 14) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 15th May)5ft (1.6m) 8s
Best Surf 8AM (Fri 15th May)5ft (1.6m) 8s
Most Powerful 2AM (Thu 21st May)8ft (2.5m) 8s

Table - best surf conditions forecast for Middles/Generals over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 27mm), heaviest during Fri afternoon. Warm (max 25°C on Sat morning, min 23°C on Sun morning). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Sun night, min 23°C on Mon night). Mainly strong winds.

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thu
21
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
1
1
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.7
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
0.7
SSW
15
1.3
ENE
8
1.5
ENE
8
1.5
ENE
8
1.6
ENE
8
1.6
ENE
8
0.8
SSW
15
1.9
ENE
7
2
ENE
8
2.2
ENE
8
2.5
ENE
8
2.3
ENE
8
2.5
ENE
8
Wave Graph
Metric surfscale
Energy kJ
276
240
336
277
284
284
280
280
211
216
273
273
302
295
268
345
438
540
886
669
783
Wind (km/h)
20
E
15
ENE
15
ENE
20
ENE
10
E
25
ENE
0
N
20
ENE
25
NE
25
ENE
25
ENE
30
NE
30
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
cross-on
cross
cross-on
cross-on
cross-on
cross
glassy
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross-on
cross
cross
High Tide
1:24AM0.26m
2:34PM0.71m
2:10AM0.21m
3:19PM0.75m
2:58AM0.17m
4:05PM0.76m
3:50AM0.14m
4:55PM0.75m
4:49AM0.12m
5:47PM0.71m
6:03AM0.12m
6:43PM0.66m
7:34AM0.14m
7:39PM0.60m
Low Tide
8:53PM0.06m
7:28AM-0.12m
9:52PM0.03m
8:03AM-0.13m
10:51PM0.02m
8:41AM-0.12m
11:50PM0.01m
9:23AM-0.11m
00:51AM0.01m
10:09AM-0.07m
1:53AM0.01m
11:02AM-0.02m
2:51AM0.00m
12:06PM0.05m
thunderstorm
thunderstorm
mod rain
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:50
5:50
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:01
7:01
7:01
7:02
7:02
7:04
8
2
9
4
1
3
Temp °C
24
24
24
24
25
25
24
24
24
24
24
24
24
23
23
23
23
24
23
23
23
23
26
23
23
27
25
25
24
23
24
24
22
22
19
19
19
19
21
19
18
18
Swell 1
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
1.5
ENE
8
1.3
ENE
8
1.3
ENE
8
1.5
ENE
8
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.8
SSW
15
0.6
SSW
15
0.6
SSW
14
0.5
SSW
14
0.4
SSW
13
0.4
SSW
16
0.5
S
16
Energy kJ
276
240
234
277
284
284
280
280
211
216
273
168
161
178
246
172
163
108
68
87
127
Swell 2
Height (m)
Direction
Period (s)
0.6
NNW
13
0.5
NW
13
0.5
SW
16
0.4
SW
16
0.5
SW
15
0.5
SW
14
0.4
SSW
17
0.6
SSW
15
0.7
SSW
15
0.7
SSW
14
0.7
SSW
14
0.4
SSW
19
0.4
SSW
16
0.6
SSW
18
0.3
SSE
6
0.3
SSE
9
0.3
SSW
18
0.3
NNW
10
0.4
SSW
16
0.4
SSW
13
0.3
SSE
13
Energy kJ
120
78
124
64
104
102
112
181
193
183
180
148
91
207
7
17
63
20
91
59
34
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
17
0.5
SW
16
0.5
NW
12
0.4
SW
13
0.3
SSE
10
0.4
SSW
16
0.4
SSE
11
0.4
SSE
7
0.5
SSE
6
0.4
SSE
7
0.6
SSW
19
0.3
SSE
10
0.3
SSE
6
0.4
SSE
10
0.2
SSE
10
0.2
NNW
11
0.3
SW
16
0.3
S
18
0.2
NNW
10
0.2
SSE
13
0.2
SSW
12
Energy kJ
70
124
71
45
21
89
43
19
24
15
251
19
8
36
9
12
41
56
10
17
14
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
8
1.5
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
7
1.9
ENE
7
2
ENE
8
2.2
ENE
8
2.5
ENE
8
2.3
ENE
8
2.5
ENE
8
Energy kJ
336
273
302
295
268
345
438
540
886
669
783
Nearest Offshore or Glassy
Rating
(10 max)
3
1
3
1
1
1
1
2
2
2
2
2
1
1
2
2
2
1
1
2
1
Distance (km)
55
5
42
21
16
24
16
0
16
16
16
16
48
48
48
55
48
48
110
55
57
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
2
3
2
2
2
3
3
2
3
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
4
4
2
4
4
2
3
5
4
4
4
4
4
4
4
4
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
4
4
5
5
8
5
4
6
4
4
4
5
4
5
6
9
9
8
  • 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 Middles/Generals Surf forecast

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

Middles/Generals is 15 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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