Middles/Generals surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Saturday 12 Jul 2025 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
25.9° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Middles/Generals this week:

The surf forecast for Middles/Generals over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 13) at 5AM. The primary swell is predicted to be 1.4m and 8s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Middles/Generals in the next 12 days are 1.9m 7s and forecast to arrive on Saturday (Jul 19) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 16s period and expected on Friday (Jul 18) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 13th Jul)4.5ft (1.4m) 8s
Best Surf 5AM (Sun 13th Jul)4.5ft (1.4m) 8s
Most Powerful 8PM (Sat 19th Jul)6ft (1.9m) 7s

Table - best surf conditions forecast for Middles/Generals over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thu
24
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Wave Height (m) & direction (?)
1.5
ENE
1.4
ENE
1.4
ENE
1.5
ENE
1.3
ENE
1.2
ENE
0.4
SSW
1.3
ENE
1.4
ENE
1.5
ENE
2
ENE
1.8
ENE
1.8
ENE
1.7
ENE
1.7
ENE
1.8
ENE
1.8
ENE
2
ENE
2
ENE
1.9
ENE
1.8
ENE
1.8
ENE
1.6
ENE
1.7
ENE
1.8
ENE
1.6
ENE
1.6
ENE
1.7
ENE
1.7
ENE
1.2
E
1.6
ENE
1.4
ENE
1
E
0.8
E
0.9
E
1.2
ENE
Period(s) (?)8877771677777777777778877777777777666
Wave
Graph
(?)Metric surfscale
Energy (?)247315283372308281200305336306447374375281309337379477389430564547463395337298361342360287579234190131150271
Wind
(km/h)
15
E
20
E
35
ENE
30
ENE
30
ENE
25
NE
20
ENE
20
E
35
ENE
30
ENE
40
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
E
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
35
ENE
25
ENE
25
ENE
30
ENE
20
ENE
25
ENE
25
ENE
20
ENE
30
ENE
35
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
on
crosscrosscrosscross-
on
crosscross-
on
crosscrosscrosscrosscrosscrosscrosscrosscross-
on
crosscrosscrosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross
High Tide
/ height (m)
4:50AM
0.23
5:11PM
0.68
5:51AM
0.27
5:46PM
0.62
7:00AM
0.33
6:21PM
0.55
8:15AM
0.40
6:59PM
0.46
9:29AM
0.49
7:43PM
0.37
10:35AM
0.58
8:43PM
0.28
11:34AM
0.66
10:11PM
0.22
12:26PM
0.72
11:39PM
0.19
1:15PM
0.76
12:48AM
0.18
2:00PM
0.79
1:44AM
0.20
2:43PM
0.79
2:34AM
0.22
3:22PM
0.77
Low Tide
/ height (m)
12:10AM
0.05
10:06AM
0.03
12:41AM
0.04
10:58AM
0.10
1:12AM
0.02
12:04PM
0.17
1:45AM
0.01
1:33PM
0.25
2:21AM
0.00
3:37PM
0.28
3:00AM
-0.01
5:55PM
0.25
3:46AM
-0.02
7:31PM
0.19
4:38AM
-0.03
8:26PM
0.13
5:32AM
-0.04
9:08PM
0.09
6:27AM
-0.05
9:44PM
0.07
7:19AM
-0.05
10:18PM
0.05
8:07AM
-0.05
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thu
24
Sunrise-5:56--5:56--5:56--5:56--5:58--5:58--5:58--5:58--5:58--6:00--6:00--6:00-
Sunset--7:15--7:15--7:15--7:15--7:15--7:15--7:14--7:14--7:14--7:13--7:13--7:13
clearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudclearclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudthunderstorm thunderstorm part cloudclear
Rain (mm)
--------------------------------11--
Temp. °C252525252525252526252524252525252625252525252525252626252626252525252626
Feels °C (?)242523232322242524232220222221222321232322232322232423232524242526252523

Short Range Forecast: Mostly dry. Warm (max 26°C on Tue afternoon, min 24°C on Mon night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Fri morning, min 24°C on Tue night). Mainly strong winds.

Days 6-9 Weather Summary Mostly dry. Warm (max 26°C on Mon morning, min 24°C on Sat night). Mainly fresh winds.

Long Range Forecast: Light rain (total 2mm), mostly falling on Wed afternoon. Warm (max 26°C on Tue morning, min 25°C on Mon night). Mainly fresh winds.

  • Map Icons:
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  • 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 12 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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