INSTRUMENT / SEA TEMPERATURE
Esperance Water Temperature
Updated Wed 13:05 (Australia/Brisbane)
Australia · Forecast updated Nov 11, 2026, 13:05 UTC
Current Sea Temperature
18.1°C
64.6°F
Cool water
Valid Nov 11, 2026, 13:05 (Australia/Brisbane). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
0.3°C below
The typical November average is 18.4°C (65.1°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 18.4°C, versus 18.3°C in the prior seven days.
What to wear
Cool water
A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
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 Esperance, typical monthly averages range from about 16.4°C (61.5°F) in August to 20.5°C (68.9°F) in March.
Over the past 30 days, the average sea temperature in Esperance has been 18.1°C.
Historical baseline (full year)
Southern Hemisphere. Summer is generally December–February; winter is June–August.
Typical monthly sea-surface temperature near Esperance, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 17.8–21.2°C | 19.6°C / 67.3°F |
| February | 19.5–20.6°C | 20.0°C / 68.0°F |
| March | 19.0–21.7°C | 20.5°C / 68.9°F |
| April | 18.2–21.0°C | 19.7°C / 67.5°F |
| May | 17.8–19.9°C | 18.8°C / 65.8°F |
| June | 17.3–18.9°C | 18.2°C / 64.8°F |
| July | 16.2–17.4°C | 17.0°C / 62.6°F |
| August | 16.0–16.9°C | 16.4°C / 61.5°F |
| September | 16.2–17.0°C | 16.7°C / 62.1°F |
| October | 17.7–17.8°C | 17.7°C / 63.9°F |
| November | 18.0–18.7°C | 18.4°C / 65.1°F |
| December | 18.5–19.9°C | 19.4°C / 66.9°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (-33.88, 121.88). 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.
Esperance in January
Typical January water temperature near Esperance is 19.6°C (67.3°F), with yearly monthly means from 17.8–21.2°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: December 19.4°C · February 20.0°C.
Explore Esperance sea temperature in January, including swim comfort and month comparisons →
Esperance in February
Typical February water temperature near Esperance is 20.0°C (68.0°F), with yearly monthly means from 19.5–20.6°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: January 19.6°C · March 20.5°C.
Explore Esperance sea temperature in February, including swim comfort and month comparisons →
Esperance in March
Typical March water temperature near Esperance is 20.5°C (68.9°F), with yearly monthly means from 19.0–21.7°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: February 20.0°C · April 19.7°C.
Explore Esperance sea temperature in March, including swim comfort and month comparisons →
Esperance in April
Typical April water temperature near Esperance is 19.7°C (67.5°F), with yearly monthly means from 18.2–21.0°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: March 20.5°C · May 18.8°C.
Explore Esperance sea temperature in April, including swim comfort and month comparisons →
Esperance in May
Typical May water temperature near Esperance is 18.8°C (65.8°F), with yearly monthly means from 17.8–19.9°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: April 19.7°C · June 18.2°C.
Explore Esperance sea temperature in May, including swim comfort and month comparisons →
Esperance in June
Typical June water temperature near Esperance is 18.2°C (64.8°F), with yearly monthly means from 17.3–18.9°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: May 18.8°C · July 17.0°C.
Explore Esperance sea temperature in June, including swim comfort and month comparisons →
Esperance in July
Typical July water temperature near Esperance is 17.0°C (62.6°F), with yearly monthly means from 16.2–17.4°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: June 18.2°C · August 16.4°C.
Explore Esperance sea temperature in July, including swim comfort and month comparisons →
Esperance in August
Typical August water temperature near Esperance is 16.4°C (61.5°F), with yearly monthly means from 16.0–16.9°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: July 17.0°C · September 16.7°C.
Explore Esperance sea temperature in August, including swim comfort and month comparisons →
Esperance in September
Typical September water temperature near Esperance is 16.7°C (62.1°F), with yearly monthly means from 16.2–17.0°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: August 16.4°C · October 17.7°C.
Explore Esperance sea temperature in September, including swim comfort and month comparisons →
Esperance in October
Typical October water temperature near Esperance is 17.7°C (63.9°F), with yearly monthly means from 17.7–17.8°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: September 16.7°C · November 18.4°C.
Explore Esperance sea temperature in October, including swim comfort and month comparisons →
Esperance in November
Typical November water temperature near Esperance is 18.4°C (65.1°F), with yearly monthly means from 18.0–18.7°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: October 17.7°C · December 19.4°C.
Explore Esperance sea temperature in November, including swim comfort and month comparisons →
Esperance in December
Typical December water temperature near Esperance is 19.4°C (66.9°F), with yearly monthly means from 18.5–19.9°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: November 18.4°C · January 19.6°C.
Explore Esperance sea temperature in December, including swim comfort and month comparisons →
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 |
|---|---|---|---|
| August | 16.5°C / 61.7°F | 16.8°C / 62.2°F | 17.3°C / 63.1°F |
| September | 16.6°C / 61.9°F | 17.1°C / 62.9°F | 18.4°C / 65.1°F |
| October | 17.2°C / 63.0°F | 17.7°C / 63.9°F | 18.8°C / 65.8°F |
| November | 18.1°C / 64.6°F | 18.4°C / 65.0°F | 18.9°C / 66.0°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2278 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Esperance
Southern coast beaches and granite islands with clear, cool-water snorkeling.
- Area
- Western Australia
Esperance Water Temperature: Common Questions
What is the water temperature in Esperance today?
The current sea surface temperature near Esperance is 18.1°C (64.6°F). Over the last 30 days, the average has been 18.1°C.
When is the water warmest in Esperance?
The water is typically warmest in March, at around 20.5°C (68.9°F) in the 2023–2025 historical baseline.
When is the water coldest in Esperance?
The water is typically coldest in August, at around 16.4°C (61.5°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Esperance today?
The water is 18.1°C. It may feel cool, but a wetsuit or short swims can help.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Esperance.
View Snorkel Forecast →