We're in beta! If you find a bug or have feedback, let us know in our 
US Army Corps of Engineers
Beach Grain Size Data Collection
Build a database of coastal grain size.
Anywhere
- Ongoing
Citizen ScienceGeology & Earth ScienceNature & OutdoorsOcean Water Marinesedimentcoastalgirl scoutsbeachgrain size
tide
within 25 miles
Jul 22, 2026
20 opportunities found! use fewer search filter criteria to find more opportunities
Filters
Florida International University
Catch the Tide Miami - Peeking at Future Sea Levels
To better understand flooding, validate inundation models and support decision making with data and understanding.
Near your search location!
- Ongoing
Citizen Science king tides miami sea level risemiami coastal floodingclimate change nuisance flooding monitoringcoastal floodingsea level risemonitoringflooding floodingnuisance floodingking tides high tideshigh tides
MOLA (Museum of London Archaeology)
CITiZAN (Coastal and Intertidal Zone Archaeological Network)
To respond to the threat to England’s coastal archaeology
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherNature & OutdoorsComputers & TechnologyArchaeology & CulturalOcean Water MarineEcology & Environmentcitizen science monitoringheritageintertidalcoastalarchaeologystormssurveyappengland
Coastal Resilience Design Studio
Coastal Observer
Engaging citizens to monitor weather and water in our changing environment.
Anywhere
- Ongoing
Citizen ScienceNature & OutdoorsOcean Water MarineClimate & Weatherlakesoceanstormsresilienceobservationstormwatersea level risepicturescoastal communitypondsriversspottingclimatecommunitywatchingbeachcoastalwaterpondingturbidityseasphotosfloodingwavesclimate changeraincoastal communitiesweatherstreamsfeelingswater clarityintensifying storms
CyanoTRACKER
Monitor algal blooms and report it.
Multiple locations, including yours!
- Ongoing
Citizen ScienceGeology & Earth ScienceEcology & EnvironmentGeographyClimate & WeatherNature & OutdoorsOcean Water Marinereportpondblue green algaeoceanwateralgal bloomsalgal bloomriverlake
Galaxy Zoo: Tidal Tales
Help scientists understand how galaxies interact and merge.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spaceastronomytidesmergerseuclidgalaxies
College of the Atlantic
George B. Dorr Museum of Natural History
Bar Harbor Maine
- Ongoing
CommunityExhibitionLive ScienceGeneral ScienceVisit/Drop-In
Ghosts of the Coast
Document the formation of ghost forests.
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineEducationEcology & Environmentgedan labregenerationpinemarylandfloodtree deathmarshtidal inundationgeorgiatree stumpfloodingnorth carolinaforeststumpsaltwater marshessawgrasssalt stressstormgeographyeastern shoreestuarykilling treessea level risesaltswampcattus islandgeologyclimate changemullica river estuarysaltwaterdelawaredroughtcoastalcoastal marine ecologysalt waterblackwater national refugewoodcordgrassseawaterblack needle rushsalt tolerantecologyvirginiachesapeake baydelaware baythe george washington universitywildfiresmarsh migrationsweet gumnew yorkvirginia coast reservetributariessaltwater marshriverbankspartina patensmid atlanticwetlandsblue crabsapland conversionghosts of the coastsouth carolinarising seasstorymapsoillow elevationgroundwatercedarhurricanemarinemaritime forestchanging shorelinesalt tolerant plantsphragmitesglobal warmingdead treesdying treesprime hook national wildlife refugetidesalineshorelinedying forestghost forestsurvey123east coastbleached treessomerset countynew jerseykeryn gedancoastal educationcoastal ecologydisturbancedelmarva peninsulachanging landscapesalt water intrusionflorida
Anecdata
Gulf of Maine King Tides
Help predict the impacts of future sea level rise
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & Environmentschoodic institutenational parks
Horseshoe crabs as homes
Discover what species live on horseshoe crabs.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologypicturebeach walkhorseshoe crab
12