Swimming Pools surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 1 am Saturday 20 Dec 2025 HST
Forecast update in hr  min  s Forecast update imminent
Swimming Pools surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Swimming Pools sea temperature is
26.0° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Swimming Pools this week:

The surf forecast for Swimming Pools over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 20) at 8AM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 0.7m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Swimming Pools in the next 12 days are 2.5m 9s and forecast to arrive on Wednesday (Dec 24) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 8s period and expected on Saturday (Dec 27) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sat 20th Dec)4.5ft (1.4m) 11s
Best Surf 8AM (Sat 20th Dec)4.5ft (1.4m) 11s
Most Powerful 2PM (Wed 24th Dec)8ft (2.5m) 9s

Table - best surf conditions forecast for Swimming Pools over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Mon night. Warm (max 25°C on Sat morning, min 22°C on Mon night). Winds increasing (calm on Sat morning, fresh winds from the E by Sun night).

Days 3-6 Weather Summary Some drizzle, heaviest during Tue night. Warm (max 24°C on Tue morning, min 22°C on Tue night). Mainly fresh winds.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
N
1.3
N
1.7
N
1.5
N
1.3
N
1.2
N
1.3
N
2.1
ENE
1.1
N
1.2
N
1.4
NNE
1.5
NNE
1.7
ENE
2.3
ENE
1.8
ENE
1.3
N
1.4
NNE
1.5
NNE
1.4
NNE
1.2
NNE
1.1
NNE
Period(s) (?)1111131212111161010109977121211111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)492418917596438348394333244290386377465520337497579521431343260
Wind
(km/h)
10
NNE
15
E
25
ESE
25
E
30
E
35
E
35
E
30
E
35
ENE
30
E
35
E
35
E
35
E
30
E
30
E
25
E
30
E
25
ESE
35
E
25
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
crosscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscross-
on
crosscross
High Tide
/ height (m)
2:27PM
0.45
4:12AM
0.95
3:01PM
0.45
4:45AM
0.94
3:39PM
0.45
5:16AM
0.92
4:26PM
0.44
5:47AM
0.89
5:26PM
0.44
6:18AM
0.85
6:47PM
0.46
6:50AM
0.79
8:33PM
0.51
Low Tide
/ height (m)
10:37AM
0.34
8:37PM
0.04
11:11AM
0.34
9:09PM
0.05
11:46AM
0.34
9:41PM
0.08
12:21PM
0.33
10:15PM
0.14
12:58PM
0.31
10:52PM
0.22
1:35PM
0.28
11:39PM
0.32
2:15PM
0.25
12:52AM
0.43
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sunrise6:52--6:52--6:54--6:54--6:54--6:54--6:56--
Sunset-5:46--5:47--5:47--5:49--5:49--5:50--5:51-
clear
clear
clear
part cloud
clear
clear
clear
clear
rain showers
part cloud
clear
rain showers
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
--------2--1---------
Temp. °C252524242424242523242423232323232422232322
Feels °C (?)272723232221212421212020191919202018191920
  • 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 Swimming Pools Surf forecast

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

Swimming Pools is 92 km (57 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.

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