Updated
Portage Bay
Bay
Use caution — an official advisory is in effect
Use cautionUse caution — an official advisory is in effect: an Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas.
- An Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas.
- Water temperature is 89°F, warm enough that sun and heat are the main concerns.
bay in Plaquemines Parish, United States of America
Interactive map not available
Use caution — an official advisory is in effect
Use cautionUse caution — an official advisory is in effect: an Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas.
- An Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas. — NWS New Orleans LA
- Water temperature is 89°F, warm enough that sun and heat are the main concerns. — NOAA buoy PSTL1, as of Aug 21, 11:00 PM UTC
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
No official beach-advisory feed for Louisiana yet — follow posted signs and local guidance.
Live data from NOAA buoy PSTL1 (16.6 mi away), as of Aug 21, 11:00 PM UTC.
Weather at Portage Bay









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Frequently asked questions
- Where is Portage Bay?
- Portage Bay is a bay in Louisiana.
- What is the water temperature at Portage Bay?
- As of August 21, 2026, the water temperature at Portage Bay in Louisiana is 89°F (32°C), measured by NOAA buoy PSTL1, 16.6 miles away.
- Can you swim at Portage Bay?
- Use caution — an official advisory is in effect: an Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas. Checked August 21, 2026.
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Best Times to Visit
- ›Weekday mornings (8–10 AM) are typically less crowded
- ›Check the forecast 2–3 days ahead for best planning
- ›Avoid holiday weekends for a quieter experience
Location & Contact
Louisiana
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