Kaiwi Shoreline Pools Water Temperature Today
Kaiwi Shoreline Pools, a tidal river pool in Hawaii, United States. The water warms into the mid-20s °C and holds it through the swim season, and is mild even in winter.
In August Kaiwi Shoreline Pools averages about 27°C, peaking near 27°C in July, August, September and dropping to roughly 24°C at its coldest.
River and swimming-hole temperatures are modelled from long-term monthly averages and refined with live air temperature, wind and UV. Moving water reacts faster to the weather than a lake or the sea.
Kaiwi Shoreline Pools water temperature by month
| Month | Average water temperature | Swimming |
|---|---|---|
| January | 24.2°C | hot |
| February | 24.0°C | hot |
| March | 24.2°C | hot |
| April | 24.8°C | hot |
| May | 25.5°C | hot |
| June | 26.3°C | hot |
| July | 26.8°C | hot |
| August | 27.0°C | tropical |
| September | 26.8°C | hot |
| October | 26.3°C | hot |
| November | 25.5°C | hot |
| December | 24.8°C | hot |
Kaiwi Shoreline Pools swim conditions FAQ
What is the water temperature in Kaiwi Shoreline Pools right now?
In August the water in Kaiwi Shoreline Pools averages about 27°C. We refine that long-term average with today's air temperature, because this tidal pool responds quickly to the weather.
When is the best time to swim in Kaiwi Shoreline Pools?
The comfortable swim season — 18°C or warmer — runs through January, February, March, April, May, June, July, August, September, October, November, December, with the warmest water in July, August, September at around 27°C.
Can you swim in Kaiwi Shoreline Pools in winter?
Yes, but winter temperatures drop to roughly 24°C. Below 12°C, cold-water shock is the main risk: enter slowly, never swim alone, and limit time in the water.
Is Kaiwi Shoreline Pools safe for swimming?
Moving and inland water carries different risks from the sea: check flow after rain, avoid weirs and undercut banks, look for submerged rocks before jumping, and respect local access rules and water-quality notices.
Water safety tips
- Check the flow rate after heavy rain — inland water can rise and speed up within hours.
- Never jump before checking depth and submerged rocks; levels change through the season.
- Enter slowly to control cold-water shock, and get out before you start shivering.
- Swim with someone else and agree an exit point downstream before you start.
- Tidal water reverses direction — check the tide table before you swim.
Swim season here: January, February, March, April, May, June, July, August, September, October, November, December.
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