Merteo plage Saint-Cyprien :

Prévisions de surf, windsurf, kitesurf et chasse sous marine (ou même bronzette et BBQ). Vous aurez ici La température de la plage Saint-Cyprien avec toute la météo qui a été calculée sur 10 jours pour Saint Cyprien.

Les prévisions GFS, WRF et NWW3 sont remis à jour toutes les 6 heures pour une meilleure météo sur le Saint-Cyprien. Certains modèles comme WAM et/ou PREVIMER sont mis à jour toutes les 12 heures pour Saint-Cyprien.

Liste des plages Pyrénées-Orientales (Département 66)

Résumé météo pour Saint-Cyprien :

Détails des prévisions météos pour Saint-Cyprien :

Prévisions météo pour Saint-Cyprien : Houle, vent, marée, température, temps - Température de l'eau : 22°C Prévisions météo de Saint-Cyprien calculées le 19/09/2019 à 13h25
   Tags : Météo des spots, îles et plage Saint-Cyprien météo plage Saint Cyprien
-
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Jeudi 19
Lever du soleil : 06h35 - Coucher du soleil : 18h47 - Ste Emilie
12h0.2m2.8s
3nds
3nds
4nds23°C12% 48% 0% 0.00
13h0.3m2.9s
4nds
3nds
4nds23°C10% 51% 0% 0.00
14h0.3m3.0s
6nds
5nds
4nds23°C7% 55% 0% 0.00
15h0.3m3.2s
6nds
6nds
5nds23°C0% 7% 5% 0.00
16h0.4m3.3s
6nds
6nds
5nds22°C0% 20% 0% 0.00
17h0.3m3.3s
6nds
6nds
5nds22°C0% 2% 1% 0.00
18h0.3m3.3s
5nds
5nds
5nds22°C11% 14% 1% 0.00
19h0.3m3.3s
5nds
4nds
5nds22°C28% 26% 1% 0.09
20h0.3m3.2s
5nds
5nds
6nds20°C45% 37% 0% 0.24
21h0.2m3.2s
4nds
5nds
6nds20°C62% 56% 1% 0.16
22h0.2m3.1s
3nds
4nds
5nds20°C80% 74% 3% 0.08
23h0.2m3.0s
2nds
3nds
3nds20°C97% 94% 3% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Vendredi 20
Lever du soleil : 06h36 - Coucher du soleil : 18h46 - St Davy
0h0.2m3.0s
2nds
1nds
1nds20°C97% 86% 4% 0.00
1h0.2m2.9s
2nds
2nds
2nds20°C97% 80% 3% 0.00
2h0.1m2.8s
2nds
4nds
4nds19°C97% 73% 2% 0.00
3h0.1m2.7s
2nds
5nds
5nds19°C85% 66% 1% 0.00
4h0.1m2.6s
2nds
5nds
6nds18°C73% 57% 1% 0.00
5h0.1m2.6s
3nds
5nds
6nds18°C60% 48% 0% 0.00
6h0.2m2.5s
3nds
4nds
6nds18°C0% 0% 37% 0.00
7h0.2m2.5s
3nds
4nds
6nds18°C0% 0% 90% 0.00
8h0.3m2.7s
3nds
5nds
6nds19°C0% 0% 97% 0.00
9h0.3m2.9s
3nds
5nds
6nds19°C0% 0% 100% 0.00
10h0.4m3.0s
3nds
5nds
7nds19°C0% 0% 100% 0.00
11h0.5m3.3s
3nds
6nds
8nds20°C0% 0% 100% 0.00
12h0.6m3.5s
5nds
7nds
10nds21°C0% 0% 65% 0.00
13h0.7m3.7s
7nds
8nds
13nds21°C53% 31% 48% 0.00
14h0.8m4.1s
10nds
11nds
15nds21°C36% 34% 34% 0.00
15h1.0m4.5s
9nds
13nds
17nds21°C0% 5% 25% 0.00
16h1.1m4.9s
9nds
14nds
18nds21°C0% 4% 11% 0.00
17h1.2m5.0s
9nds
14nds
18nds21°C38% 0% 9% 0.00
18h1.3m5.2s
9nds
14nds
18nds21°C83% 0% 8% 0.00
19h1.4m5.3s
8nds
13nds
17nds20°C92% 39% 32% 0.00
20h1.4m5.3s
7nds
12nds
17nds20°C92% 0% 73% 0.00
21h1.4m5.3s
7nds
12nds
16nds20°C100% 0% 87% 0.00
22h1.4m5.3s
7nds
11nds
15nds20°C100% 0% 96% 0.00
23h1.3m5.3s
7nds
11nds
15nds20°C86% 0% 87% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Samedi 21
Lever du soleil : 06h37 - Coucher du soleil : 18h44 - St Matthieu
0h1.3m5.3s
6nds
11nds
14nds20°C0% 0% 85% 0.00
1h1.2m5.2s
6nds
10nds
14nds20°C0% 0% 86% 0.00
2h1.2m5.2s
6nds
10nds
14nds20°C0% 0% 98% 0.00
3h1.2m5.1s
6nds
11nds
15nds20°C56% 0% 100% 0.00
4h1.2m5.0s
6nds
11nds
15nds20°C2% 67% 100% 0.00
5h1.2m4.9s
6nds
11nds
16nds20°C0% 58% 99% 0.00
6h1.3m4.8s
6nds
11nds
16nds20°C0% 80% 100% 0.26
7h1.3m4.8s
6nds
12nds
16nds20°C0% 86% 98% 0.52
8h1.4m4.8s
6nds
13nds
18nds20°C61% 100% 97% 0.78
9h1.4m4.9s
6nds
13nds
21nds20°C100% 100% 90% 0.82
10h1.4m5.0s
6nds
14nds
21nds20°C100% 100% 95% 0.86
11h1.5m5.1s
7nds
15nds
23nds20°C100% 100% 96% 0.89
12h1.6m5.2s
8nds
15nds
23nds20°C100% 100% 98% 1.01
13h1.7m5.4s
9nds
15nds
21nds20°C100% 100% 96% 1.13
14h1.8m5.5s
9nds
16nds
23nds21°C100% 100% 95% 1.25
15h1.9m5.6s
8nds
15nds
19nds21°C100% 100% 93% 0.84
16h2.1m5.7s
7nds
14nds
18nds21°C100% 100% 83% 0.42
17h2.2m5.9s
5nds
14nds
19nds21°C100% 100% 65% 0.00
18h2.3m6.1s
6nds
14nds
19nds21°C93% 100% 32% 0.00
19h2.4m6.2s
5nds
15nds
19nds21°C44% 93% 27% 0.00
20h2.5m6.3s
4nds
14nds
18nds21°C26% 42% 45% 0.00
21h2.6m6.3s
4nds
15nds
18nds21°C45% 45% 64% 0.00
22h2.7m6.3s
4nds
14nds
17nds21°C11% 0% 55% 0.00
23h2.6m6.3s
4nds
12nds
15nds20°C92% 0% 5% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Dimanche 22
Lever du soleil : 06h38 - Coucher du soleil : 18h42 - St Maurice
0h2.5m6.4s
4nds
12nds
14nds20°C100% 0% 14% 0.00
1h2.4m6.4s
4nds
12nds
14nds20°C51% 0% 73% 0.00
2h2.3m6.4s
4nds
11nds
13nds20°C0% 0% 97% 0.00
3h2.2m6.3s
4nds
11nds
12nds20°C0% 0% 100% 0.00
4h2.1m6.2s
4nds
10nds
11nds20°C7% 0% 100% 0.00
5h2.1m6.3s
4nds
8nds
9nds20°C83% 59% 100% 0.00
6h2.1m6.3s
3nds
7nds
8nds20°C5% 5% 100% 0.00
7h2.1m6.4s
3nds
6nds
8nds20°C0% 4% 96% 0.00
8h2.1m6.4s
3nds
7nds
10nds20°C0% 4% 93% 0.00
9h2.1m6.4s
4nds
8nds
10nds20°C0% 29% 98% 0.00
10h2.2m6.4s
3nds
9nds
10nds21°C0% 6% 90% 0.00
11h2.2m6.4s
2nds
8nds
9nds22°C0% 0% 58% 0.00
12h2.1m6.4s
3nds
8nds
9nds22°C0% 0% 89% 0.00
13h2.1m6.4s
4nds
8nds
7nds22°C96% 5% 97% 0.00
14h2.1m6.4s
5nds
7nds
5nds21°C100% 95% 91% 0.00
15h2.0m6.4s
6nds
5nds
5nds21°C88% 75% 98% 0.06
16h2.0m6.4s
7nds
5nds
5nds21°C100% 43% 98% 0.21
17h1.9m6.3s
9nds
6nds
10nds21°C100% 94% 93% 0.36
18h1.9m6.3s
8nds
10nds
20nds22°C100% 93% 87% 0.36
19h1.8m6.3s
8nds
18nds
31nds20°C38% 100% 44% 0.36
20h1.8m6.3s
8nds
23nds
34nds17°C52% 17% 30% 0.36
21h1.7m6.2s
8nds
23nds
31nds17°C59% 42% 41% 0.24
22h1.6m6.2s
8nds
21nds
32nds17°C0% 0% 30% 0.12
23h1.5m6.1s
9nds
19nds
28nds17°C0% 4% 65% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Lundi 23
Lever du soleil : 06h39 - Coucher du soleil : 18h40 - AUTOMNE
0h1.4m6.1s
8nds
18nds
26nds17°C0% 0% 99% 0.00
1h1.3m6.1s
8nds
17nds
24nds17°C0% 0% 100% 0.00
2h1.3m5.9s
8nds
16nds
23nds17°C0% 0% 100% 0.00
3h1.2m5.8s
8nds
16nds
23nds17°C0% 0% 86% 0.00
4h1.1m5.7s
8nds
15nds
21nds16°C0% 0% 47% 0.00
5h1.0m5.5s
8nds
15nds
18nds16°C0% 0% 16% 0.00
6h0.9m5.3s
7nds
14nds
17nds15°C5% 0% 16% 0.00
7h0.9m5.1s
7nds
13nds
17nds15°C9% 0% 16% 0.00
8h0.8m5.0s
7nds
13nds
17nds15°C13% 0% 16% 0.00
9h0.7m4.9s
7nds
16°C42% 0% 11% 0.00
10h0.6m4.8s
7nds
18°C72% 0% 5% 0.00
11h0.6m4.7s
7nds
21°C100% 0% 0% 0.00
12h0.5m4.7s
6nds
23°C94% 0% 0% 0.00
13h0.5m4.6s
6nds
25°C88% 1% 0% 0.00
14h0.5m4.6s
6nds
27°C83% 3% 0% 0.00
15h0.4m4.6s
6nds
23°C69% 2% 7% 0.00
16h0.4m4.6s
6nds
22°C55% 1% 15% 0.00
17h0.4m4.6s
6nds
24°C40% 0% 22% 0.00
18h0.3m4.6s
6nds
15°C50% 0% 28% 0.00
19h0.3m4.6s
5nds
12°C60% 0% 34% 0.00
20h0.3m4.6s
3nds
17°C70% 0% 39% 0.00
21h0.3m4.6s
5nds
16°C80% 0% 26% 0.00
22h0.2m4.6s
6nds
15°C90% 0% 13% 0.00
23h0.2m4.6s
6nds
16°C100% 0% 0% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Mardi 24
Lever du soleil : 06h40 - Coucher du soleil : 18h38 - Ste Thècle
0h0.2m4.5s
5nds
14°C95% 0% 0% 0.00
1h0.2m4.4s
4nds
14°C90% 0% 0% 0.00
2h0.2m4.4s
4nds
15°C84% 0% 0% 0.00
3h0.2m4.4s
4nds
15°C73% 0% 0% 0.00
4h0.2m4.4s
4nds
15°C62% 0% 0% 0.00
5h0.2m4.5s
4nds
15°C51% 0% 0% 0.00
6h0.1m4.5s
3nds
15°C56% 0% 0% 0.00
7h0.1m4.6s
3nds
15°C60% 0% 0% 0.00
8h0.1m4.5s
3nds
15°C66% 0% 0% 0.00
9h0.1m4.5s
2nds
18°C55% 0% 0% 0.00
10h0.1m4.5s
2nds
22°C43% 0% 0% 0.00
11h0.1m4.3s
2nds
25°C32% 0% 0% 0.00
12h0.1m4.2s
3nds
26°C32% 0% 0% 0.00
13h0.1m4.1s
4nds
27°C32% 0% 0% 0.00
14h0.1m3.5s
5nds
28°C32% 0% 0% 0.00
15h0.1m3.0s
5nds
26°C22% 0% 0% 0.00
16h0.1m2.4s
5nds
25°C11% 0% 0% 0.00
17h0.1m2.7s
5nds
26°C0% 0% 0% 0.00
18h0.1m3.0s
4nds
15°C1% 0% 0% 0.00
19h0.1m3.3s
3nds
12°C2% 0% 0% 0.00
20h0.1m3.7s
2nds
18°C2% 0% 0% 0.00
21h0.1m4.0s
2nds
17°C22% 0% 0% 0.00
22h0.1m4.3s
2nds
17°C43% 0% 0% 0.00
23h 4nds
17°C63% 0% 0% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Mercredi 25
Lever du soleil : 06h41 - Coucher du soleil : 18h37 - St Hermann
0h 3nds
16°C53% 0% 0% 0.00
1h 3nds
16°C43% 0% 0% 0.00
2h 3nds
16°C34% 0% 0% 0.00
3h 2nds
15°C39% 5% 0% 0.00
4h 2nds
15°C45% 10% 0% 0.00
5h 2nds
15°C50% 15% 0% 0.00
6h 2nds
15°C41% 11% 1% 0.00
7h 2nds
15°C32% 9% 2% 0.00
8h 2nds
15°C24% 7% 2% 0.00
9h 1nds
19°C18% 4% 8% 0.00
10h 1nds
22°C13% 2% 13% 0.00
11h 1nds
25°C7% 0% 18% 0.00
12h 2nds
26°C23% 10% 17% 0.00
13h 3nds
27°C39% 20% 17% 0.00
14h 4nds
28°C54% 29% 17% 0.00
15h 4nds
23°C70% 34% 15% 0.00
16h 4nds
22°C86% 38% 12% 0.00
17h 4nds
24°C100% 42% 8% 0.00
18h 4nds
16°C100% 36% 6% 0.00
19h 3nds
13°C100% 28% 4% 0.00
20h 2nds
18°C100% 21% 2% 0.00
21h 3nds
17°C99% 13% 0% 0.00
22h 4nds
17°C97% 7% 0% 0.00
23h 6nds
17°C94% 0% 0% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Jeudi 26
Lever du soleil : 06h42 - Coucher du soleil : 18h35 - St Côme/Damien
0h 6nds
15°C85% 0% 0% 0.00
1h 6nds
15°C75% 0% 4% 0.00
2h 6nds
16°C65% 0% 8% 0.00
3h 4nds
16°C43% 0% 21% 0.00
4h 4nds
16°C21% 0% 34% 0.00
5h 4nds
16°C0% 0% 48% 0.00
6h 4nds
16°C6% 0% 54% 0.00
7h 3nds
17°C13% 0% 60% 0.00
8h 2nds
17°C21% 0% 66% 0.00
9h 1nds
18°C26% 0% 68% 0.00
10h 1nds
20°C31% 0% 71% 0.00
11h 1nds
21°C35% 0% 73% 0.00
12h 2nds
25°C30% 0% 62% 0.00
13h 3nds
28°C24% 0% 50% 0.00
14h 3nds
32°C18% 0% 38% 0.00
15h 3nds
24°C12% 0% 43% 0.00
16h 2nds
22°C6% 0% 47% 0.00
17h 1nds
26°C0% 0% 53% 0.00
18h 1nds
19°C1% 0% 56% 0.00
19h 1nds
17°C2% 0% 59% 0.00
20h 1nds
20°C3% 0% 62% 0.00
21h 2nds
19°C3% 0% 74% 0.00
22h 3nds
18°C3% 0% 85% 0.00
23h 3nds
19°C2% 0% 96% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Vendredi 27
Lever du soleil : - Coucher du soleil : - St Vincent de Pau
0h 2nds
19°C1% 0% 93% 0.00
1h 2nds
19°C1% 0% 91% 0.00
2h 2nds
19°C1% 0% 89% 0.00
3h 2nds
19°C12% 0% 89% 0.00
4h 2nds
19°C22% 0% 89% 0.00
5h 2nds
19°C33% 0% 90% 0.00
6h 2nds
19°C31% 0% 92% 0.00
7h 2nds
19°C32% 0% 94% 0.00
8h 3nds
19°C32% 0% 96% 0.00
9h 3nds
19°C21% 0% 96% 0.00
10h 2nds
19°C12% 0% 96% 0.00
11h 1nds
20°C3% 0% 96% 0.00
12h 0nds
20°C5% 0% 96% 0.00
13h 0nds
21°C7% 0% 95% 0.00
14h 0nds
21°C9% 0% 94% 0.00
15h 1nds
20°C39% 0% 96% 0.00
16h 2nds
20°C69% 0% 97% 0.00
17h 3nds
20°C99% 0% 100% 0.00
18h 1nds
18°C99% 0% 100% 0.00
19h 1nds
17°C99% 0% 100% 0.00
20h 1nds
18°C99% 0% 100% 0.00
21h 1nds
18°C72% 0% 99% 0.00
22h 1nds
18°C44% 0% 99% 0.00
23h 2nds
18°C17% 0% 99% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Samedi 28
Lever du soleil : - Coucher du soleil : - St Venceslas
0h 2nds
17°C15% 0% 98% 0.00
1h 2nds
17°C11% 0% 95% 0.00
2h 2nds
17°C7% 0% 92% 0.00
3h 3nds
17°C4% 0% 91% 0.00
4h 4nds
18°C2% 0% 91% 0.00
5h 3nds
18°C0% 0% 90% 0.00
6h 3nds
18°C0% 0% 92% 0.00
7h 3nds
17°C0% 0% 94% 0.00
8h 3nds
18°C0% 0% 97% 0.00
9h 3nds
20°C0% 0% 95% 0.00
10h 3nds
22°C0% 0% 92% 0.00
11h 2nds
24°C0% 0% 89% 0.00
12h 2nds
21°C0% 0% 89% 0.00
13h 2nds
20°C0% 0% 90% 0.00
14h 3nds
22°C0% 0% 90% 0.00
15h 3nds
22°C0% 0% 89% 0.00
16h 3nds
22°C0% 0% 87% 0.00
17h 3nds
22°C0% 0% 87% 0.00
18h 3nds
16°C0% 0% 88% 0.00
19h 3nds
14°C0% 0% 89% 0.00
20h 3nds
17°C0% 0% 89% 0.00
21h 3nds
15°C0% 0% 69% 0.00
22h 3nds
14°C0% 0% 49% 0.00
23h 3nds
16°C0% 0% 29% 0.00
  MER AIR
Date
 
Houle WAM
4 jours
Houle
Période
Houle
Direction
Houle PWW3
6 jours - 0.2km
Houle
Période
Houle
Direction
Vent GFS
10 jours - 13km
Vent WRF-NMM    +   rafales
4 jours - 5km
Nuages
Haut/Milieu/Bas
Pluie
mm/h
 
 
Dimanche 29
Lever du soleil : - Coucher du soleil : - St Michel/Gabriel
0h 3nds
15°C0% 0% 29% 0.00
1h 3nds
15°C0% 0% 28% 0.00
2h 3nds
16°C0% 0% 27% 0.00
3h 2nds
16°C0% 0% 35% 0.00
4h 2nds
16°C0% 0% 44% 0.00
5h 2nds
16°C0% 0% 53% 0.00
6h 2nds
15°C0% 0% 52% 0.00
7h 2nds
15°C0% 0% 52% 0.00
8h 3nds
15°C0% 0% 52% 0.00
Marées non vérifiées par le SHOM et calculs réalisés sous WRXTide. Le marnage peut varier selon la pression atmosphérique. La responsabilité du site ne saurait être engagée pour toutes erreurs que pourraient contenir ces renseignements de marées. Les prédictions ne remplacent pas celles des documents officiels, vous devez vous reporter à l'annuaire des marées du SHOM. Atlas Pineau-Guillou Lucia (2013). PREVIMER Validation des atlas de composantes harmoniques de hauteurs et courants de marée. Rapport Ifremer, 89p. http://archimer.ifremer.fr/doc/00157/26801/

NWW3 : Modèle NOAA WaveWatch III (Projet en partenariat avec la NOAA, la NCEP et la NWS)
PWW3 : Modèle PREVIMER ROUSSILLON-200M (Projet en partenariat avec l'Ifremer, le SHOM et Météo-France et cofinancé par l'Union Européenne)
WAM : Modèle SKIRON (National & Kapodistrian University of Athens)
GFS : Global Forecast System (Projet avec la NCEP)
WRF-NMM : Modèle numérique de prévision météorologique non-hydrostatique WRF à coeur NMM (Calculs MERTEO)