Shark Country surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 am Thursday 18 Dec 2025 HST
Forecast update in hr  min  s Forecast update imminent
Shark Country surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shark Country sea temperature is
25.7° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Shark Country this week:

The most powerful waves expected at Shark Country in the next 12 days are 1.9m 7s and forecast to arrive on Tuesday (Dec 23) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 11s period and expected on Thursday (Dec 18) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Tue 23rd Dec)6ft (1.9m) 7s

Table - best surf conditions forecast for Shark Country over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 13mm), heaviest on Thu morning. Warm (max 26°C on Sat afternoon, min 23°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Sun morning, min 23°C on Tue morning). Winds increasing (light winds from the E on Sun morning, strong winds from the E by Tue morning).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.8
S
0.7
S
0.4
SSE
0.4
E
0.4
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
E
0.8
E
0.4
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
1.1
E
1.4
E
0.9
ENE
1.6
ENE
1.4
E
Period(s) (?)55589988885181616161578988
Wave
Graph
(?)Metric surfscale
Energy kJ (?)33227222337353434213379129127121106124221135359239
Wind
(km/h)
15
SSW
15
SSW
10
S
10
SSE
5
SSE
5
ESE
5
ESE
0
N
15
ENE
20
E
25
ENE
25
E
25
E
25
ENE
35
ENE
45
E
30
ENE
30
E
25
E
25
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
ononglassglassglasscrosscross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
2:29PM
0.27
3:45AM
0.77
3:06PM
0.26
4:20AM
0.77
3:42PM
0.26
4:54AM
0.77
4:20PM
0.26
5:28AM
0.76
5:05PM
0.26
6:00AM
0.74
5:59PM
0.27
6:33AM
0.70
7:08PM
0.30
Low Tide
/ height (m)
10:37AM
0.19
8:03PM
0.04
11:12AM
0.17
8:38PM
0.03
11:46AM
0.17
9:12PM
0.03
12:22PM
0.17
9:46PM
0.04
12:57PM
0.16
10:20PM
0.07
1:31PM
0.16
10:58PM
0.12
2:04PM
0.15
11:42PM
0.19
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise7:03--7:03--7:03--7:03--7:05--7:05--7:05--
Sunset-5:52--5:53--5:53--5:54--5:54--5:55--5:55-
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
clear
part cloud
clear
part cloud
clear
Rain (mm)
432-11-2-------------
Temp. °C242524252524252624252524252524232423242423
Feels °C (?)252627272727272926252422252423192020212221
  • 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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Information about the Shark Country Surf forecast

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

Shark Country is 1 km (1 miles) from 'Ewa Beach. If you plan a vacation in Oahu, look for hotels and other accommodation in 'Ewa Beach. 'Ewa Beach has rooms for a wide range of budgets as well as car hire and transport links.

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