POSEIDON System Weather

gr.hcmr.poseidon.twa
FreeEveryone

Key numbers

1K+Installs
4.2 / 754Rating
Apr 16, 2021Released
Oct 31, 2025Updated

Listing text

POSEIDON forecasting system: Weather, Ocean, Sea State & Ecosystem forecast Maps

POSEIDON System app provides easy access to the updated view of the meteorological, wave, hydrodynamic and ecosystem forecasts provided in POSEIDON System official website poseidon.hcmr.gr. The forecasts are updated daily covering the next five days.Meteo Forecast:Spatial coverage: mid and South Europe, Mediterranean Sea and North Africa• Surface wind (10m)• Rainfall• Air Temperature (2m)• Cloudiness• Snowfall• Dust…

Get this app from the API

curl -H "X-API-Key: $API_KEY" \
  "https://apiplay.net/api/v1/app?id=gr.hcmr.poseidon.twa"
import requests

r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'gr.hcmr.poseidon.twa'},
                 headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()
const res = await fetch('https://apiplay.net/api/v1/app?id=gr.hcmr.poseidon.twa', {
  headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();
$ch = curl_init('https://apiplay.net/api/v1/app?id=gr.hcmr.poseidon.twa');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);

1,000 free credits a month, no card needed. API reference

Screenshots

Fields in the API response

Package namegr.hcmr.poseidon.twa
Developerposeidon team
Developer websitehcmr.gr
CategoryWeather
Installs (exact)373,878
Ratings754
Reviews5
PriceFree
In-app purchasesNo
AdsNo
Content ratingEveryone
Current version1.2.0
Requires Android6.0
ReleasedApr 16, 2021
Last updateOct 31, 2025
Record refreshedOct 27, 2026

Rating breakdown

5586
40
30
283
183

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