Sharks Cove Water Temperature
Updated Sat 14:41 (Pacific/Honolulu)
USA · Forecast updated Sep 26, 2026, 14:41 UTC
Current Sea Temperature
26.8°C
80.2°F
Warm water
Valid Sep 26, 2026, 14:41 (Pacific/Honolulu). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
Close to average
The typical September average is 26.9°C (80.4°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 26.8°C, versus 26.6°C in the prior seven days.
What to wear
Warm water
Most people are comfortable in swimwear or a light rash guard.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.
Typical Sea Temperature Over the Year
In the historical baseline for Sharks Cove, typical monthly averages range from about 24.3°C (75.7°F) in February to 27.1°C (80.8°F) in October.
Over the past 30 days, the average sea temperature in Sharks Cove has been 26.7°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Sharks Cove, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 24.8–25.4°C | 25.1°C / 77.2°F |
| February | 24.2–24.4°C | 24.3°C / 75.7°F |
| March | 23.9–25.1°C | 24.5°C / 76.1°F |
| April | 24.1–25.5°C | 24.9°C / 76.8°F |
| May | 24.8–25.6°C | 25.3°C / 77.5°F |
| June | 25.3–25.7°C | 25.6°C / 78.1°F |
| July | 25.8–26.1°C | 26.0°C / 78.8°F |
| August | 25.9–27.1°C | 26.5°C / 79.7°F |
| September | 26.6–27.2°C | 26.9°C / 80.4°F |
| October | 27.0–27.2°C | 27.1°C / 80.8°F |
| November | 26.0–26.4°C | 26.3°C / 79.3°F |
| December | 25.3–25.9°C | 25.6°C / 78.1°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (21.79, -158.04). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Sharks Cove in January
Typical January water temperature near Sharks Cove is 25.1°C (77.2°F), with yearly monthly means from 24.8–25.4°C.
Sharks Cove in February
Typical February water temperature near Sharks Cove is 24.3°C (75.7°F), with yearly monthly means from 24.2–24.4°C.
Sharks Cove in March
Typical March water temperature near Sharks Cove is 24.5°C (76.1°F), with yearly monthly means from 23.9–25.1°C.
Sharks Cove in April
Typical April water temperature near Sharks Cove is 24.9°C (76.8°F), with yearly monthly means from 24.1–25.5°C.
Sharks Cove in May
Typical May water temperature near Sharks Cove is 25.3°C (77.5°F), with yearly monthly means from 24.8–25.6°C.
Sharks Cove in June
Typical June water temperature near Sharks Cove is 25.6°C (78.1°F), with yearly monthly means from 25.3–25.7°C.
Sharks Cove in July
Typical July water temperature near Sharks Cove is 26.0°C (78.8°F), with yearly monthly means from 25.8–26.1°C.
Sharks Cove in August
Typical August water temperature near Sharks Cove is 26.5°C (79.7°F), with yearly monthly means from 25.9–27.1°C.
Sharks Cove in September
Typical September water temperature near Sharks Cove is 26.9°C (80.4°F), with yearly monthly means from 26.6–27.2°C.
Sharks Cove in October
Typical October water temperature near Sharks Cove is 27.1°C (80.8°F), with yearly monthly means from 27.0–27.2°C.
Sharks Cove in November
Typical November water temperature near Sharks Cove is 26.3°C (79.3°F), with yearly monthly means from 26.0–26.4°C.
Sharks Cove in December
Typical December water temperature near Sharks Cove is 25.6°C (78.1°F), with yearly monthly means from 25.3–25.9°C.
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 25.6°C / 78.1°F | 25.8°C / 78.4°F | 25.9°C / 78.6°F |
| July | 25.3°C / 77.5°F | 25.8°C / 78.5°F | 26.6°C / 79.9°F |
| August | 25.7°C / 78.3°F | 26.5°C / 79.8°F | 27.6°C / 81.7°F |
| September | 26.2°C / 79.2°F | 26.7°C / 80.0°F | 27.7°C / 81.9°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2235 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Sharks Cove
North Shore lava cove with excellent summer snorkeling and dangerous winter surf.
- Area
- North Shore
- Local timing
- Summer mornings
- Exposure
- North Shore; unsafe during winter surf
- Entry type
- Lava-rock tide pools and cove
- Difficulty
- Moderate
Sharks Cove Water Temperature: Common Questions
What is the water temperature in Sharks Cove today?
The current sea surface temperature near Sharks Cove is 26.8°C (80.2°F). Over the last 30 days, the average has been 26.7°C.
When is the water warmest in Sharks Cove?
The water is typically warmest in October, at around 27.1°C (80.8°F) in the 2023–2025 historical baseline.
When is the water coldest in Sharks Cove?
The water is typically coldest in February, at around 24.3°C (75.7°F) in the same historical baseline.
Can you swim in Sharks Cove today?
At 26.8°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Sharks Cove.
View Snorkel Forecast →