Rabbit/Manana Island surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 am Monday 20 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Rabbit/Manana Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rabbit/Manana Island sea temperature is
24.5° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Rabbit/Manana Island this week:

The surf forecast for Rabbit/Manana Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 20) at 2PM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.4m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rabbit/Manana Island in the next 16 days are 1.4m 13s and forecast to arrive on Wednesday (Apr 22) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 16s period and expected on Saturday (Apr 25) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Mon 20th Apr)2.5ft (0.8m) 7s
Best Surf 2PM (Tue 21st Apr)3ft (0.9m) 8s
Most Powerful11AM (Wed 22nd Apr)4.5ft (1.4m) 13s

Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Mon afternoon. Warm (max 25°C on Tue afternoon, min 23°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Thu morning, min 22°C on Thu night). Mainly fresh winds.

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
1
1
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
E
0.7
E
0.8
NNE
0.9
NNE
0.9
NNE
1
NNE
1.4
NNE
1.3
NNE
1.3
NNE
1.5
NE
1.5
NE
1
NNE
1.4
NE
1.3
NE
1.6
NE
1.8
NE
1.6
NE
1.6
NE
1.4
NE
1.6
NE
1.5
NE
Period(s) (?)7778914131212111010997888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)65505795119437690543454515468196318287239373300311245311250
Wind
(km/h)
15
SE
5
SE
5
SE
0
N
5
N
15
NE
15
NE
20
NE
20
NE
25
NE
25
NE
30
NE
25
NE
35
NE
35
NE
30
ENE
30
NE
30
ENE
30
ENE
30
NE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glassglassoncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
6:08PM
0.60
7:22PM
0.57
8:49PM
0.54
10:06PM
0.53
10:17AM
0.16
11:01PM
0.52
11:45AM
0.24
11:40PM
0.50
12:35PM
0.33
12:07AM
0.48
Low Tide
/ height (m)
10:01AM
-0.14
10:45AM
-0.10
11:38AM
-0.04
12:58PM
0.02
6:56AM
0.11
2:51PM
0.06
6:30AM
0.09
4:27PM
0.09
6:32AM
0.05
5:37PM
0.11
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Sunrise6:07--6:05--6:05--6:05--6:03--6:03--6:03--
Sunset-6:51--6:52--6:52--6:52--6:52--6:52--6:52-
clear
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
-1-------------------
Temp. °C242424242524242424232322232222232323232323
Feels °C (?)272626272826252425222120201918192019202020
  • 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 Rabbit/Manana Island Surf forecast

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

Rabbit/Manana Island is 11 km (7 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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