In Betweens surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Monday 13 Apr 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
24.0° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for In Betweens this week:

The surf forecast for In Betweens over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 13) at 5PM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.6m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at In Betweens in the next 16 days are 0.7m 13s and forecast to arrive on Tuesday (Apr 14) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 11s period and expected on Monday (Apr 13) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Mon 13th Apr)1.5ft (0.4m) 14s
Best Surf 2PM (Tue 14th Apr)2ft (0.6m) 13s
Most Powerful 5PM (Tue 14th Apr)2.5ft (0.7m) 13s

Table - best surf conditions forecast for In Betweens over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Mon morning. Warm (max 24°C on Tue morning, min 21°C on Mon morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Fri night. Warm (max 25°C on Thu afternoon, min 23°C on Thu morning). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
1
1
1
2
2
2
2
2
2
2
1
0
0
0
1
1
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SW
0.4
S
0.5
S
0.6
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.5
S
0.6
S
0.9
E
0.9
E
0.9
E
0.9
E
1
E
0.9
ENE
1
E
Period(s) (?)12141413131212121313131213137777666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)736397127162148141144116113106998712380697074846684
Wind
(km/h)
10
SE
5
S
0
E
5
ENE
5
NNE
15
NNE
10
ENE
5
ENE
10
ENE
15
ENE
15
ENE
10
ENE
10
ENE
5
ESE
15
E
10
E
15
ENE
5
E
10
NNE
20
ENE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glassglasscross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
crosscrosscross-
off
glasscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
1:54PM
0.34
1:43AM
0.45
2:30PM
0.42
2:19AM
0.42
3:08PM
0.50
2:56AM
0.37
3:49PM
0.57
3:34AM
0.31
4:32PM
0.62
4:13AM
0.25
5:19PM
0.66
4:56AM
0.19
6:11PM
0.66
Low Tide
/ height (m)
7:32PM
0.05
8:12AM
-0.05
8:27PM
0.03
8:35AM
-0.08
9:22PM
0.02
9:01AM
-0.10
10:18PM
0.02
9:29AM
-0.11
11:19PM
0.02
10:01AM
-0.12
12:26AM
0.03
10:35AM
-0.11
1:42AM
0.04
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Sunrise6:13--6:13--6:11--6:11--6:09--6:09--6:09--
Sunset-6:49--6:50--6:50--6:51--6:51--6:51--6:52-
light rain
cloud
light rain
part cloud
cloud
light rain
cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
thunderstorm
part cloud
part cloud
thunderstorm
cloud
cloud
part cloud
Rain (mm)
1-1--2-1------1--1---
Temp. °C222323242424242424242524242424242524242524
Feels °C (?)242527262726262727252625262627262726272826
  • 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
submit an eyeball surf report

Quick surf report for In Betweens:

join our community of surf reporters

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.


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 16 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.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest