Weather Routing, Inc. (WRI) is pleased to announce several exclusive fishing related products. We now offer customized charts for high resolution sea surface temperatures and currents, chlorophyll concentration, sea surface salinity, sea surface altimetry, mixed layer depth, and bathymetry, all of which are updated on a daily basis. Each of these products has specific uses that can be beneficial for fishing interests, as described in each section below. Customized charts are also provided on our SeaWeather website with charts designed specifically for the tournament region. This page is intended to explain the benefits of each chart, and provide examples of how they work.

Please click the images on the right to view the sample product images in full size.

Sea Surface Temperature: 3 Day Change - Areas where Sea Surface Temperatures have increased or lowered over the past 3 to 5 days. Locations directly between the highest temperature changes are good indicators of where fish will congregate.

The images to the right show 3 day Sea Surface Temperature changes (image on far right shows 5 day change). The user should learn to focus their eye on these regions of highest gradients of temperature fluctuation, as these locations would have a higher concentration of fish.
 

Chlorophyll Charts - These charts indicate the concentration of chlorophyll in the water. The border between high chlorophyll concentrations and very low concentrations typically yield higher fish populations.

The charts on the right show Chlorophyll Concentrations for the New England Coast, Northern Gulf of Mexico, and Chesapeake Bay, and demonstrate how higher concentrations are typically found in/near bays, as well as near estuaries.
 

Sea Surface Salinity - These charts indicate he amount of salt concentration in seawater near/at the surface, which typically ranges from 32-37 parts per thousand. Different fish species prefer different levels of salinity.

The charts on the right demonstrate how lower salt concentrations can typically be found near estuaries and near the coastline (due to fresh water runoff), with higher concentrations found offshore.
 

Sea Surface Temperature/Currents - These charts show the sea surface temperature, with currents overlayed on top. Arrows (streamlines) point toward the direction of movement of water at the surface. Tighter clustering of streamlines indicate faster speeds.

In the example image of the Maryland, USA coast (center), notice the cooler sea surface temperatures near/east of the coast. The offshore moving currents indicate that ocean upwelling is occuring, and one would expect higher fish populations in this area during this time.
 

Sea Surface Currents/Speed - These charts display a very high resolution depiction of ocean currents (speed and direction). Arrows point toward the direction of movement of water at the surface, and speeds are contoured in knots.

These charts can be used not only to determine areas of ocean upwelling, but also to determine the approximate drifting/movement of a slow moving trolling vessel over long periods of time.
 

Sea Surface Altimetry - These charts show the upward and downward fluctuation of the sea surface height (usually a very small difference, measured in centimeters). Some fish species tend to populate in areas between high and low sea surface altimetry.

Many fish species also tend to populate in areas of ocean upwelling, as demonstrated on the image on the far left of Southern California showing the "cold eddy" present to the southeast of Santa Catalina Island.
 

Mixed Layer Depth - These charts demonstrate how the water temperature/density varies with depth. Wind, waves, tides, and currents can fluctuate this depth. Fish populations tend to prefer shallow mixed layers.

In the first example (far left), one would expect to find a higher number of fish near and south of Montauk and Block Island, as the charts indicate very little temperature change with depth.
 

Depth Charts (Bathymetry) - These charts show ocean depth, or the distance from the surface to the ocean floor. The habitats of certain fish species are specific to certain depths.

Many species also tend to crowd near steep drop-offs in the ocean floor (continental shelf), as demonstrated in the first example image (far left) of the Oregon Coast, USA.
 

Meteograms - Our Meteograms depict customized forecast values in an easy to view chart format, showing wind speed and direction, air temperature, wave direction and height, air pressure, and voyage times.

Unlike most meteograms provided by other services today, WRI's Meteograms ARE NOT automatically generated by computer model data. Our meteograms are manually produced "in house" by our team of experienced Marine Meteorologists.
 

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