diff --git a/PKHeX.Core/Legality/Encounters/EncounterSlot/EncounterSlot8.cs b/PKHeX.Core/Legality/Encounters/EncounterSlot/EncounterSlot8.cs
index 6fd351e23..bc982e858 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterSlot/EncounterSlot8.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterSlot/EncounterSlot8.cs
@@ -61,6 +61,14 @@ public override EncounterMatchRating GetMatchRating(PKM pkm)
             if (rating != EncounterMatchRating.Match)
                 return rating;
 
+            if (pkm is IRibbonSetMark8 m)
+            {
+                if (m.RibbonMarkCurry && (Weather & AreaWeather8.All) == 0)
+                    return EncounterMatchRating.Deferred;
+                if (m.RibbonMarkFishing && (Weather & AreaWeather8.Fishing) == 0)
+                    return EncounterMatchRating.Deferred;
+            }
+
             var req = GetRequirement(pkm);
             return req switch
             {
diff --git a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic8.cs b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic8.cs
index 436653f1d..4c107f9a3 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic8.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic8.cs
@@ -83,7 +83,8 @@ public override EncounterMatchRating GetMatchRating(PKM pkm)
             if ((req == MustHave) != correlation)
                 return EncounterMatchRating.Deferred;
 
-            if (pkm is IRibbonSetMark8 {RibbonMarkCurry: true})
+            // Only encounter slots can have these marks; defer for collisions.
+            if (pkm is IRibbonSetMark8 m && (m.RibbonMarkCurry || m.RibbonMarkFishing))
                 return EncounterMatchRating.Deferred;
 
             return EncounterMatchRating.Match;
diff --git a/PKHeX.Core/Legality/Verifiers/MarkVerifier.cs b/PKHeX.Core/Legality/Verifiers/MarkVerifier.cs
index 6259b0af6..7c77a4cc9 100644
--- a/PKHeX.Core/Legality/Verifiers/MarkVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/MarkVerifier.cs
@@ -66,6 +66,7 @@ public static bool IsMarkValid(RibbonIndex mark, PKM pk, IEncounterable enc)
         public static bool IsMarkAllowedSpecific(RibbonIndex mark, PKM pk, IEncounterable x) => mark switch
         {
             RibbonIndex.MarkCurry when !IsMarkAllowedCurry(pk, x) => false,
+            RibbonIndex.MarkFishing when !IsMarkAllowedFishing(x) => false,
             RibbonIndex.MarkDestiny => false,
             _ => true
         };
@@ -83,15 +84,38 @@ public static bool IsMarkValid(RibbonIndex mark, PKM pk, IEncounterable enc)
 
         public static bool IsMarkAllowedCurry(PKM pkm, IEncounterable enc)
         {
-            if (enc is not EncounterSlot8 s || !((EncounterArea8)s.Area).PermitCrossover)
+            // Curry are only encounter slots, from the hidden table (not symbol). Slots taken from area's current weather(?).
+            if (enc is not EncounterSlot8 s)
                 return false;
 
-            if (!EncounterArea8.IsWildArea(s.Location))
+            var area = (EncounterArea8)s.Area;
+            if (area.PermitCrossover)
+                return false;
+
+            var weather = s.Weather;
+            if ((weather & AreaWeather8.All) == 0)
+                return false;
+
+            if (EncounterArea8.IsWildArea(s.Location))
                 return false;
             var ball = pkm.Ball;
             return (uint)(ball - 2) <= 2;
         }
 
+        public static bool IsMarkAllowedFishing(IEncounterable enc)
+        {
+            // Fishing are only encounter slots, from the hidden table (not symbol).
+            if (enc is not EncounterSlot8 s)
+                return false;
+
+            var area = (EncounterArea8)s.Area;
+            if (area.PermitCrossover)
+                return false;
+
+            var weather = s.Weather;
+            return (weather & AreaWeather8.Fishing) != 0;
+        }
+
         private void VerifyAffixedRibbonMark(LegalityAnalysis data, IRibbonIndex m)
         {
             if (m is not PK8 pk8)