diff --git a/backend/src/Controller/SpotScoreController.php b/backend/src/Controller/SpotScoreController.php
index 110c0c3..1b7f045 100644
--- a/backend/src/Controller/SpotScoreController.php
+++ b/backend/src/Controller/SpotScoreController.php
@@ -115,13 +115,16 @@ class SpotScoreController extends AbstractController
 
         $horizons = [];
         foreach ($rows as $row) {
-            $distKm = (float) $row['distance_km'];
-            $score  = max(0, (int) round((1 - min($distKm / 50, 1)) * 100));
+            $distKm     = (float) $row['distance_km'];
+            $confidence = (float) $row['confidence'];
+            // Score pondéré par la confiance : un horizon lointain moins certain
+            // ne peut pas afficher un risque supérieur à un horizon proche plus fiable
+            $score = max(0, (int) round((1 - min($distKm / 50, 1)) * 100 * $confidence));
             $horizons['h' . $row['horizon']] = [
                 'score'      => $score,
                 'level'      => $this->scoreToLevel($score),
                 'distanceKm' => $distKm,
-                'confidence' => (float) $row['confidence'],
+                'confidence' => $confidence,
                 'validAt'    => $row['valid_at'],
             ];
         }