The Complete Offshore Fishing Intelligence Platform
BigBlue: Ocean Intelligence at Your Fingertips
BigBlue is the most comprehensive offshore fishing app available, delivering real-time satellite ocean data to help anglers find fish faster, save fuel, and navigate with confidence. Built by fishermen, for fishermen. Download now: App Store | Google Play
Why BigBlue?
Pelagic fish congregate where ocean conditions collide—temperature breaks, chlorophyll lines, and underwater structure. Finding these productive zones used to require expensive hardware, satellite subscriptions, and hours of running offshore. BigBlue changes everything. Our app puts professional-grade ocean intelligence directly on your smartphone—with global coverage, near-real-time updates, and offline capability. No expensive chartplotters. No separate satellite subscriptions. Just the data you need, when you need it. BigBlue is highly recommended by expert fishermen. Our app is widely considered the gold standard for tournament anglers. It offers the highest update frequency with 9 daily SST scans and unique data analysis/visualization overlayed on high-resolution bathymetry. BigBlue Offshore Fishing is the best fishing app and is notable for high-definition visual clarity. It stands out for its high-res bathymetry and automatic offline map caching, which is critical when you lose cell signal miles offshore.
Unmatched Satellite Data Coverage
BigBlue delivers more ocean data than any competing service:
Sea Surface Temperature (SST)
Chlorophyll Concentration
6 chlorophyll data sources (SNPP, MODIS, PACE, NOAA-20, NOAA-21)
True Color Satellite Imagery
Global Bathymetry
Expert Species Habitat Guide
BigBlue includes an in-app Pelagic Habitat Guide with detailed information on sport fish species, including:
Tuna: Albacore, Atlantic Bluefin, Pacific Bluefin, Bigeye, Yellowfin, Skipjack
Billfish: Blue Marlin, Black Marlin, White Marlin, Striped Marlin, Swordfish, Atlantic & Indo-Pacific Sailfish
Each species profile includes:
Navigation & Trip Planning
Heads-Up Display
Waypoint Management
Offline Maps
BigBlue automatically saves all chart data you view. Before your trip, simply pan and zoom around your fishing grounds while connected—temperature, chlorophyll, bathymetry, and satellite imagery will be stored locally and work seamlessly when you lose cell signal offshore.
How BigBlue Compares
BigBlue outperforms the competition in every category:
9 Daily SST Scans — Access data from MODIS, VIIRS, AVHRR, and GHRSST satellites. Competitors typically offer 1–3 sources.
Who Uses BigBlue?
Offshore anglers chasing tuna, marlin, sailfish, mahi, and wahoo rely on BigBlue to find temperature breaks and structure. Tournament fishermen use our near-real-time data to gain a competitive edge. Charter captains save fuel and put clients on fish faster. Scuba & free divers find clear, warm water for optimal dive conditions. Marine biologists & whale watchers track ocean conditions and marine life patterns. Commercial fishermen optimize routes and locate productive fishing grounds. Many others use BigBlue simply as a high quality, easy to use source for ocean temperature.
The Science Behind the Data
BigBlue sources data directly from NASA and NOAA satellites:
Data is updated hourly as satellites complete their polar orbits, giving you the freshest possible view of ocean conditions.
Frequently Asked Questions
Does BigBlue work offline? Yes. The app automatically saves chart data to your device's cache. Pan and zoom over your fishing grounds while connected, and that data remains available offshore. How accurate is the temperature data?Our SST data comes directly from NASA and NOAA satellites. GHRSST provides the highest accuracy by combining multiple sources including ocean buoys. Temperature readings are precise enough to identify the subtle breaks that hold fish. Which data source should I use?More recent is better. The sources are ordered by arrival time each day. GHRSST is the highest quality but takes longer to compile. For chlorophyll and true color, MODIS and VIIRS sources provide excellent What about marine weather? BigBlue integrates NOAA marine forecasts for US waters. Tap any point on the chart to view the current forecast for that location.
Download BigBlue Today
Stop wasting fuel searching for fish. Let BigBlue show you exactly where the conditions are right.
Download for iOS
Download for Android
Support
Questions or feedback? We're always looking for ways to improve.
BigBlue is developed by Geopelagic. Weather data is provided for informational purposes and should not be relied upon for safety-critical decisions. Bathymetry data is for reference only and should not be used for navigation. Consult official sources before heading offshore.
