diff --git a/src/main/java/com/portingdeadmods/modjam/content/augments/UnderwaterMovementSpeedAugment.java b/src/main/java/com/portingdeadmods/modjam/content/augments/UnderwaterMovementSpeedAugment.java
new file mode 100644
index 00000000..66384e92
--- /dev/null
+++ b/src/main/java/com/portingdeadmods/modjam/content/augments/UnderwaterMovementSpeedAugment.java
@@ -0,0 +1,20 @@
+package com.portingdeadmods.modjam.content.augments;
+
+import com.portingdeadmods.modjam.capabilities.augmentation.Slot;
+import net.minecraft.world.effect.MobEffectInstance;
+import net.minecraft.world.effect.MobEffects;
+import net.neoforged.neoforge.event.tick.PlayerTickEvent;
+
+public class UnderwaterMovementSpeedAugment extends Augment{
+    @Override
+    public int getId() {
+        return 6;
+    }
+
+    @Override
+    public void serverTick(Slot slot, PlayerTickEvent.Post event) {
+        if (event.getEntity().isUnderWater()){
+            event.getEntity().addEffect(new MobEffectInstance(MobEffects.MOVEMENT_SPEED,20,1));
+        }
+    }
+}
diff --git a/src/main/java/com/portingdeadmods/modjam/registries/MJAugments.java b/src/main/java/com/portingdeadmods/modjam/registries/MJAugments.java
index 17fc89c8..6138c391 100644
--- a/src/main/java/com/portingdeadmods/modjam/registries/MJAugments.java
+++ b/src/main/java/com/portingdeadmods/modjam/registries/MJAugments.java
@@ -18,4 +18,5 @@ public final class MJAugments {
     public static final Supplier<ThrowSnowballAugment> THROW_SNOWBALL = AUGMENTS.register("throw_snowball", ThrowSnowballAugment::new);
     public static final Supplier<ThrowRandomPotionAugments> THROW_POTION_AUGMENT = AUGMENTS.register("throw_random_potion", ThrowRandomPotionAugments::new);
     public static final Supplier<PreventPlayerLoseAirAugment> PREVENT_PLAYER_LOSE_AIR_AUGMENT = AUGMENTS.register("prevent_player_lose_air_supply", PreventPlayerLoseAirAugment::new);
+    public static final Supplier<UnderwaterMovementSpeedAugment> UNDERWATER_MOVEMENT_SPEED_AUGMENT = AUGMENTS.register("underwater_movement_speed", UnderwaterMovementSpeedAugment::new);
 }