Tide Forecast for Mermentau River, Grand Chenier

Q: What time is high tide at Mermentau River, Grand Chenier today?

Check the tide table above for today's high tide times at Mermentau River, Grand Chenier. High tides occur when the water level reaches its maximum height. We provide exact times and heights for all high tides throughout the day.

Q: What time is low tide at Mermentau River, Grand Chenier today?

Today's low tide times for Mermentau River, Grand Chenier are shown in the tide chart above. Low tide is when the water level is at its lowest point. This information is crucial for beach activities, boat launches, and fishing.

Q: What are the best fishing times at Mermentau River, Grand Chenier?

The best fishing times are typically during the 2-3 hours around high tide and low tide, especially during major and minor solunar periods. Our fishing quality rating takes into account tide movements, moon phases, and time of day to help you plan the most productive fishing trips.

Q: How do I read the tide chart?

Our tide chart shows the predicted water level throughout the day. High points represent high tides (▲) and low points represent low tides (▼). The height is measured in feet relative to MLLW (Mean Lower Low Water). Times are shown in the local time zone.

Q: What is a tide coefficient?

The tide coefficient indicates the amplitude of the tide compared to average conditions. Values above 70 indicate spring tides (larger tidal range), while values below 50 indicate neap tides (smaller range). Higher coefficients generally mean better fishing conditions.

Detailed tide information to help plan your fishing trips

Mermentau River, Grand Chenier is a tidal monitoring station positioned along the temperate coast of Louisiana, USA. Popular among anglers targeting redfish, snook, and tarpon, this location offers year-round fishing opportunities. Check our detailed tide charts to plan your trips at optimal tide heights and times.

Today's tidal range at Mermentau River, Grand Chenier is approximately 1.8 feet, following a mixed tidal pattern. Understanding these tidal movements is crucial for anglers, as fish feeding activity increases significantly during tide changes. The best fishing typically occurs during the first and last hours of each tidal shift.

Our comprehensive tide forecast for Mermentau River, Grand Chenier includes precise high tide and low tide times, accurate tide heights measured in feet, moon phase analysis, sunrise and sunset times, current weather conditions, and fishing quality ratings based on tidal and lunar factors. All data is updated regularly from NOAA's official tide stations and weather services, ensuring you have the most current information for planning your marine activities.

Weather Conditions

TODAY, THURSDAY 12 MARCH 2026

Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms

cloud cover 100%

Wind

15 mph

Comes from NW (315°)

Temperature

66 °F

Maximum 76° F

Minimum 45° F

Humidity

100 %

Dew point 66° F

Visibility

6.0 mi.

Data Source: NOAA Weather Service • 2026-03-12

Weekly Tide Table

Date	Moon Phase	Sunrise	Sunset	1st Extreme	2nd Extreme	3rd Extreme	4th Extreme	Coefficient	Fishing Rating
1. Thu, March 12 (Today)	🌔 Waxing Gibbous 44.5%	07:25 AM ☀️ (Chicago)	07:18 PM 🌙 (Chicago)	05:10 AM -0.206 ft ▼	01:49 PM 1.439 ft ▲	--	--	90 Spring	👌 Average Score: 3/5
2. Fri, March 13	🌔 Waxing Gibbous 35.1%	07:24 AM ☀️ (Chicago)	07:19 PM 🌙 (Chicago)	06:24 AM -0.27 ft ▼	02:30 PM 1.487 ft ▲	--	--	96 Spring	👌 Average Score: 3/5
3. Sat, March 14	🌔 Waxing Gibbous 26.1%	07:23 AM ☀️ (Chicago)	07:19 PM 🌙 (Chicago)	07:19 AM -0.324 ft ▼	02:58 PM 1.505 ft ▲	08:38 PM 0.967 ft ▼	11:52 PM 1.11 ft ▲	100 Spring	👍 Good Score: 4/5
4. Sun, March 15	🌔 Waxing Gibbous 17.9%	07:22 AM ☀️ (Chicago)	07:20 PM 🌙 (Chicago)	08:04 AM -0.33 ft ▼	03:20 PM 1.488 ft ▲	08:58 PM 0.829 ft ▼	--	99 Spring	👌 Average Score: 3/5
5. Mon, March 16	🌔 Waxing Gibbous 10.7%	07:20 AM ☀️ (Chicago)	07:20 PM 🌙 (Chicago)	01:15 AM 1.215 ft ▲	08:43 AM -0.269 ft ▼	03:38 PM 1.436 ft ▲	09:18 PM 0.654 ft ▼	93 Spring	👌 Average Score: 3/5
6. Tue, March 17	🌔 Waxing Gibbous 5.1%	07:19 AM ☀️ (Chicago)	07:21 PM 🌙 (Chicago)	02:14 AM 1.324 ft ▲	09:21 AM -0.138 ft ▼	03:48 PM 1.359 ft ▲	09:40 PM 0.451 ft ▼	82 Moderate	👌 Average Score: 3/5
7. Wed, March 18	🌔 Waxing Gibbous 1.4%	07:18 AM ☀️ (Chicago)	07:22 PM 🌙 (Chicago)	03:10 AM 1.423 ft ▲	10:00 AM 0.055 ft ▼	03:52 PM 1.278 ft ▲	10:05 PM 0.229 ft ▼	75 Moderate	🎣 Excellent Score: 5/5
8. Thu, March 19	🌔 Waxing Gibbous 0.0%	07:17 AM ☀️ (Chicago)	07:22 PM 🌙 (Chicago)	04:10 AM 1.51 ft ▲	10:44 AM 0.296 ft ▼	03:52 PM 1.224 ft ▲	10:37 PM 0.001 ft ▼	82 Moderate	🎣 Excellent Score: 5/5

▲ High Tide

▼ Low Tide

☀️ Sunrise

🌙 Sunset

🌕 Moon Phase

🎣 Fishing Rating (scoring criteria)

Coefficient: Tide amplitude relative to mean (>70 Spring, <50 Neap) (how it's calculated)

Today's Tide Forecast

Understanding Tides and Fishing Conditions

Understanding Tides

Tides are the rise and fall of sea levels caused by gravitational forces from the moon and sun, combined with Earth's rotation. The moon has the strongest influence due to its proximity. As the moon orbits Earth, its gravitational pull creates a bulge of water on the side closest to it, and another on the opposite side, resulting in high tides. Areas in between experience low tides.

Types of Tides

There are three main types of tidal patterns: Semidiurnal tides have two high tides and two low tides of roughly equal height each day. Diurnal tides have one high tide and one low tide per day. Mixed tides feature two high tides and two low tides of different heights. The type of tide depends on the location's geography and position relative to the moon.

How Tide Coefficients Work

The tide coefficient is a numerical value (typically 20-120) that indicates the tidal amplitude compared to average conditions. Coefficients above 70 indicate spring tides - these occur during full and new moons when the sun, moon, and Earth align, creating larger tidal ranges. Coefficients below 50 indicate neap tides - these happen during quarter moons when gravitational forces partially cancel out, resulting in smaller tidal ranges.

Best Tides for Fishing

Many experienced anglers consider the period around tide changes to be prime fishing time. As tides transition from high to low or low to high, water movement increases, bringing nutrients and prey fish into feeding zones. This triggers predatory fish to become more active. The first and last hours of a tide change are often most productive. Combine this with major solunar periods (when the moon is directly overhead or underfoot) for optimal fishing conditions.

How to Read Tide Charts

A tide chart displays predicted water levels over time. The vertical axis shows height (usually in feet) measured from a reference point called MLLW (Mean Lower Low Water). The horizontal axis shows time. High tides are marked with ▲ symbols and low tides with ▼ symbols. The curve between these points shows how quickly the water level changes. Steeper curves indicate faster current speeds, which can affect fishing and boating conditions.

Moon Phases and Fishing

Moon phases influence both tides and fish behavior. New Moon and Full Moon create spring tides with maximum tidal range - often considered the best fishing periods. First Quarter and Last Quarter moons produce neap tides with minimal range. Beyond tides, many anglers believe fish feed more actively during specific lunar phases, particularly during the three days around full and new moons.

Frequently Asked Questions

What time is high tide at Mermentau River, Grand Chenier today?

Today's high tides at Mermentau River, Grand Chenier occur at 01:49 PM and 02:30 PM, reaching heights of 1.439 feet and 1.487 feet. These are optimal times for deep-water fishing and boat launching. Plan to arrive 1-2 hours before high tide for the best fishing action.

What time is low tide at Mermentau River, Grand Chenier today?

Low tides at Mermentau River, Grand Chenier are at 05:10 AM and 06:24 AM today. Low tide is excellent for beach exploration, tide pool viewing, and accessing areas normally covered by water. Fishing can be productive during the incoming tide following low water.

What are the best fishing times at Mermentau River, Grand Chenier?

The best fishing times are typically during the 2-3 hours around high tide and low tide, especially during major and minor solunar periods. Our fishing quality rating takes into account tide movements, moon phases, and time of day to help you plan the most productive fishing trips.

How do I read the tide chart?

Our tide chart shows the predicted water level throughout the day. High points represent high tides (▲) and low points represent low tides (▼). The height is measured in feet relative to MLLW (Mean Lower Low Water). Times are shown in the local time zone.

What is a tide coefficient?

The tide coefficient indicates the amplitude of the tide compared to average conditions. Values above 70 indicate spring tides (larger tidal range), while values below 50 indicate neap tides (smaller range). Higher coefficients generally mean better fishing conditions.

How does the moon phase affect tides at Mermentau River, Grand Chenier?

Moon phases have a significant impact on tidal range. During full moon and new moon, you'll experience spring tides with larger ranges. During quarter moons, neap tides occur with smaller ranges. Many anglers find that fishing is best during the days around full and new moons.

Is this tide data accurate?

Yes, our tide predictions are based on official NOAA data and are highly accurate. However, actual conditions can be affected by weather, wind, and barometric pressure. Always check current weather conditions alongside tide predictions for the most complete picture.

How far in advance can I see tide predictions?

We provide tide forecasts for the next 7 days, including high and low tide times, heights, and fishing quality ratings. This allows you to plan your activities well in advance and choose the best days for fishing or other marine activities.