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Surf Forecasts:

In Betweens surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Thursday 12 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
In Betweens surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's In Betweens sea temperature is
24.8° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for In Betweens this week:

The surf forecast for In Betweens over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 16) at 5PM. The primary swell is predicted to be 0.5m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at In Betweens in the next 12 days are 2.5m 10s and forecast to arrive on Sunday (Mar 15) 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 1.8m 10s period and expected on Sunday (Mar 15) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Mon 16th Mar)1.5ft (0.5m) 8s
Best Surf11PM (Tue 17th Mar)2ft (0.6m) 16s
Most Powerful11AM (Sun 15th Mar)8ft (2.5m) 10s

Table - best surf conditions forecast for In Betweens over the next 12 days.

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

Short Range Forecast Heavy rain (total 250mm), heaviest during Fri night. Warm (max 24°C on Thu morning, min 21°C on Thu afternoon). Winds increasing (light winds from the S on Thu morning, near gales from the SSW by Fri afternoon).

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Sun morning. Warm (max 24°C on Sun morning, min 21°C on Tue night). Winds decreasing (strong winds from the SSW on Sun morning, calm by Mon night).

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
2
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ENE
0.9
ENE
1.4
SSW
2.2
S
2.5
SSW
3
SSW
2.5
SW
3
SW
2.5
SSW
2.5
WSW
1.1
S
0.6
SSW
0.4
SW
0.5
E
0.5
E
0.4
E
0.5
S
0.7
S
0.8
S
0.8
S
0.9
S
Period(s) (?)8856788881077148881716161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9287983667241170694110772012881103853333220140254322306343
Wind
(km/h)
20
SSE
20
SE
35
S
45
S
45
SSW
50
SW
50
SSW
45
SW
45
SW
40
SW
35
SW
25
SW
20
WSW
10
WNW
5
NW
5
W
10
NNW
5
WSW
10
SW
10
NE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		onononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		glasscrossoffglasscross-
on		cross-
off		cross-
off
High Tide
/ height (m)
12:13PM
0.14
12:47AM
0.53
1:03PM
0.17
1:27AM
0.56
1:41PM
0.22
2:01AM
0.57
2:15PM
0.27
2:33AM
0.57
2:51PM
0.33
3:04AM
0.55
3:28PM
0.39
3:35AM
0.52
4:07PM
0.45
4:07AM
0.46
Low Tide
/ height (m)
8:14AM
0.09
4:45PM
0.07
8:27AM
0.07
5:57PM
0.05
8:42AM
0.05
6:53PM
0.03
8:58AM
0.03
7:42PM
0.01
9:16AM
0.01
8:29PM
-0.01
9:36AM
-0.02
9:17PM
-0.01
9:58AM
-0.04
10:06PM
0.01
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise6:41--6:41--6:41--6:39--6:39--6:37--6:37--
Sunset-6:38--6:39--6:39--6:39--6:40--6:40--6:40-
thunderstorm
mod rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
cloud
cloud
light rain
thunderstorm
mod rain
rain showers
rain showers
Rain (mm)
89198386428423454541--25672
Temp. °C242323222224232324242424242323232322212222
Feels °C (?)242223171619191920202124252426252424232522
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our In Betweens surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for In Betweens at:
surf-forecast.com

Information about the In Betweens Surf forecast

The above surf forecast table for In Betweens provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at In Betweens can be found by selecting the local surf guide option on the grey menu. Our In Betweens 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 (In Betweens) 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 In Betweens 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.

In Betweens 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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