Pilot: Cox's Bazar · Teknaf · Moheshkhali
Grow seaweed with better information
Site maps, farming guidelines, weather warnings and market prices for seaweed farmers on the Bangladesh coast — in Bangla and English.
Active alert
Cyclone warning signal 5 — secure or harvest now
BMD has raised signal 5 for the Cox's Bazar coast. Harvest mature lines today, lift floating rafts and move bamboo poles above the tide line. Do not go to sea after 6:00 PM.
2026-09-26 14:20AppText SMSVoice SMS1,187 delivered
Registered farmers
1,042
18.4% vs last season
Women farmers
81%
Area under farming
52.4ha
11.2% vs last season
Season production (wet)
512t
24.1% vs last season
What the system does
Six modules, all in Bangla and English, built for farmers, upazila officers and the Department.
GIS map & site suitability
See where seaweed grows best and which waters are off-limits.
Farming guidelines
Site choice, methods, seasonal calendar, harvest and drying.
Problems & disease
Find the symptom, learn the cause and what to do about it.
Advisory & alerts
Weather, sea and cyclone warnings by app, SMS and voice call.
Market & export
Farm-gate prices, buyers and what exporters require.
Registry & dashboard
Farmers, plots, harvests and reports for the Department.
Species farmed in Bangladesh
Six species with commercial value on this coast.
Gracilaria
Red
Gracilaria tenuistipitata
SeasonNov – Mar
Yield2.4 – 3.2 kg/m²
Agar
Food
Feed
Sea Lettuce
Green
Ulva lactuca
SeasonDec – Mar
Yield1.8 – 2.6 kg/m²
Food
Salad
Cosmetics
Hypnea
Red
Hypnea musciformis
SeasonNov – Feb
Yield3.0 – 3.8 kg/m²
Carrageenan
Feed
Enteromorpha
Green
Ulva intestinalis
SeasonDec – Mar
Yield1.5 – 2.2 kg/m²
Food
Fertiliser
Sea Grapes
Green
Caulerpa racemosa
SeasonDec – Feb
Yield1.2 – 1.8 kg/m²
Fresh food
Export niche
Sargassum
Brown
Sargassum spp.
SeasonJan – Apr
YieldTrial stage
Alginate
Biofertiliser
How an advisory reaches a farmer
1
Collect
BMD forecast, satellite sea data, field reports
2
Analyse
Rules check sea state, heat, salinity and storms
3
Review
DoF and BFRI experts approve each advisory
4
Send
App, SMS and voice call in Bangla
5
Feedback
Farmers log harvests and report problems