Mississippi Sound at Usgs Merrill Shell Bank Light water temperature
Mississippi Sound at Usgs Merrill Shell Bank Light · Sea/Coast
The current water temperature at Mississippi Sound at Usgs Merrill Shell Bank Light is 30.0 °C (as of September 20, 2026, source: USGS).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Measurement series & statistics
This measurement series includes 166 data points since July 22, 2026.
Lowest recorded value: 28.9 °C on August 28, 2026 · highest value: 32.1 °C on September 6, 2026.
In September, temperatures have ranged between 29.7 °C and 32.1 °C.
The current value is 0.7 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Mississippi Sound at Usgs Merrill Shell Bank Light right now?
The current water temperature is 30.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Mississippi Sound at Usgs Merrill Shell Bank Light?
Currently 30.0 °C (updated continuously).
How warm is at Mississippi Sound at Usgs Merrill Shell Bank Light in September?
In September, the water temperature recently averaged 30.7 °C.
When is the water warmest at Mississippi Sound at Usgs Merrill Shell Bank Light?
Across the measurement record, September is on average the warmest month (30.7 °C).
