#0418 · heartgold soulsilver · gen 4
Sea Weasel Pokémon
It inflates its flotation sac, keeping its face above water in order to watch for prey movement.
Total: 330
Swift Swim
Doubles Speed during rain.
EV yield (current): +1 SPE
swift swim swift swim, water veil
| Location | Method | Chance | Levels |
|---|---|---|---|
| Road 30 (heartgold) | Walking in tall grass or a cave | 20% | 2–3 |
| Road 31 (heartgold) | Walking in tall grass or a cave | 20% | 3–4 |
| Road 32 (heartgold) | Walking in tall grass or a cave | 20% | 4–6 |
| Ruins of Alph (outside) (heartgold) | Walking in tall grass or a cave | 20% | 20–22 |
| Road 34 (heartgold) | Walking in tall grass or a cave | 20% | 10–11 |
| Road 35 (heartgold) | Walking in tall grass or a cave | 20% | 12 |
| Road 42 (heartgold) | Walking in tall grass or a cave | 20% | 13–15 |
| Road 43 (heartgold) | Walking in tall grass or a cave | 20% | 15 |
| Road 44 (heartgold) | Walking in tall grass or a cave | 20% | 22–23 |
| Road 45 (heartgold) | Walking in tall grass or a cave | 20% | 23 |
| Road 47 (heartgold) | Walking in tall grass or a cave | 20% | 33–34 |
| Mount Silver (outside) (heartgold) | Walking in tall grass or a cave | 20% | 41–42 |
| Road 26 (heartgold) | Walking in tall grass or a cave | 20% | 28 |
| Road 27 (heartgold) | Walking in tall grass or a cave | 20% | 28 |
| Road 28 (heartgold) | Walking in tall grass or a cave | 20% | 39–40 |
| Road 4 (heartgold) | Walking in tall grass or a cave | 20% | 5 |
| Road 6 (heartgold) | Walking in tall grass or a cave | 20% | 13 |
| Road 9 (heartgold) | Walking in tall grass or a cave | 20% | 13–15 |
| Road 10 (heartgold) | Walking in tall grass or a cave | 20% | 16–17 |
| Road 13 (heartgold) | Walking in tall grass or a cave | 20% | 23 |
| Road 21 (heartgold) | Walking in tall grass or a cave | 20% | 25–30 |
| Road 22 (heartgold) | Walking in tall grass or a cave | 20% | 3 |
| Road 24 (heartgold) | Walking in tall grass or a cave | 20% | 8–10 |
| Road 25 (heartgold) | Walking in tall grass or a cave | 20% | 8–10 |
| Safari Zone Wetland (heartgold) | Walking in tall grass or a cave | 10% | 45 |
| Safari Zone Wetland (heartgold) | Walking in tall grass or a cave | 10% | 45 |
| Safari Zone Wetland (heartgold) | Walking in tall grass or a cave | 10% | 44 |
| Road 30 (soulsilver) | Walking in tall grass or a cave | 20% | 3 |
| Road 31 (soulsilver) | Walking in tall grass or a cave | 20% | 4 |
| Road 32 (soulsilver) | Walking in tall grass or a cave | 20% | 4–6 |
| Level | Move | Type | Cat. | Power | Acc. |
|---|---|---|---|---|---|
| 1 | GrowlThe user growls in an endearing way, making the foe less wary. The target’s Attack stat is lowered.▶ All opponents | Normal | — | 100% | |
| 1 | Sonic BoomThe foe is hit with a destructive shock wave that always inflicts 20 HP damage.▶ Selected Pokémon | Normal | — | 90% | |
| 1 | Water SportThe user soaks itself with water. The move weakens Fire-type moves while the user is in the battle.▶ Entire field | Water | — | — | |
| 3 | Quick AttackThe user lunges at the foe at a speed that makes it almost invisible. It is sure to strike first.▶ Selected Pokémon | Normal | 40 | 100% | |
| 6 | Water GunThe foe is blasted with a forceful shot of water.▶ Selected Pokémon | Water | 40 | 100% | |
| 10 | PursuitAn attack move that inflicts double damage if used on a foe that is switching out of battle.▶ Selected Pokémon | Dark | 40 | 100% | |
| 15 | SwiftStar-shaped rays are shot at the foe. This attack never misses.▶ All opponents | Normal | 60 | — | |
| 21 | Aqua JetThe user lunges at the foe at a speed that makes it almost invisible. It is sure to strike first.▶ Selected Pokémon | Water | 40 | 100% | |
| 28 | AgilityThe user relaxes and lightens its body to move faster. It sharply boosts the Speed stat.▶ User | Psychic | — | — | |
| 36 | WhirlpoolTraps the foe inside a whirlpool that lasts for two to five turns. The user can pass through whirlpools.▶ Selected Pokémon | Water | 15 | 70% | |
| 45 | Razor WindA two-turn attack. Blades of wind hit the foe on the second turn. It has a high critical-hit ratio.▶ All opponents | Normal | 80 | 100% |
| TM | Move | Type | Cat. | Power | Acc. |
|---|---|---|---|---|---|
| TM01 | Focus PunchThe user focuses its mind before launching a punch. It will fail if the user is hit before it is used.▶ Selected Pokémon | Fighting | 150 | 100% | |
| TM03 | Water PulseThe user attacks the foe with a pulsing blast of water. It may also confuse the foe.▶ Selected Pokémon | Water | 60 | 100% | |
| TM06 | ToxicA move that leaves the target badly poisoned. Its poison damage worsens every turn.▶ Selected Pokémon | Poison | — | 85% | |
| TM07 | HailThe user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type.▶ Entire field | Ice | — | — | |
| TM08 | Bulk UpThe user tenses its muscles to bulk up its body, boosting both its Attack and Defense stats.▶ User | Fighting | — | — | |
| TM10 | Hidden PowerA unique attack that varies in type and intensity depending on the Pokémon using it.▶ Selected Pokémon | Normal | 1 | 100% | |
| TM13 | Ice BeamThe foe is struck with an icy-cold beam of energy. It may also freeze the target solid.▶ Selected Pokémon | Ice | 95 | 100% | |
| TM14 | BlizzardA howling blizzard is summoned to strike the foe. It may also freeze the target solid.▶ All opponents | Ice | 120 | 70% | |
| TM17 | ProtectIt enables the user to evade all attacks. Its chance of failing rises if it is used in succession.▶ User | Normal | — | — | |
| TM18 | Rain DanceThe user summons a heavy rain that falls for five turns, powering up Water- type moves.▶ Entire field | Water | — | — | |
| TM21 | FrustrationA full-power attack that grows more powerful the less the user likes its Trainer.▶ Selected Pokémon | Normal | — | 100% | |
| TM23 | Iron TailThe foe is slammed with a steel-hard tail. It may also lower the target’s Defense stat.▶ Selected Pokémon | Steel | 100 | 75% | |
| TM27 | ReturnA full-power attack that grows more powerful the more the user likes its Trainer.▶ Selected Pokémon | Normal | — | 100% | |
| TM28 | DigThe user burrows, then attacks on the second turn. It can also be used to exit dungeons.▶ Selected Pokémon | Ground | 80 | 100% | |
| TM31 | Brick BreakThe user attacks with tough fists, etc. It can also break any barrier such as Light Screen and Reflect.▶ Selected Pokémon | Fighting | 75 | 100% | |
| TM32 | Double TeamBy moving rapidly, the user makes illusory copies of itself to raise its evasiveness.▶ User | Normal | — | — | |
| TM39 | Rock TombBoulders are hurled at the foe. It also lowers the foe’s Speed by preventing its movement.▶ Selected Pokémon | Rock | 50 | 80% | |
| TM42 | FacadeAn attack move that doubles its power if the user is poisoned, paralyzed, or has a burn.▶ Selected Pokémon | Normal | 70 | 100% | |
| TM43 | Secret PowerThe user attacks with a secret power. Its added effects vary depending on the user’s environment.▶ Selected Pokémon | Normal | 70 | 100% | |
| TM44 | RestThe user goes to sleep for two turns. It fully restores the user’s HP and heals any status problem.▶ User | Psychic | — | — | |
| TM45 | AttractIf it is the opposite gender of the user, the foe becomes infatuated and less likely to attack.▶ Selected Pokémon | Normal | — | 100% | |
| TM55 | BrineIf the foe’s HP is down to about half, this attack will hit with double the power.▶ Selected Pokémon | Water | 65 | 100% | |
| TM58 | EndureThe user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.▶ User | Normal | — | — | |
| TM78 | CaptivateIf it is the opposite gender of the user, the foe is charmed into sharply lowering its Sp. Atk stat.▶ All opponents | Normal | — | 100% | |
| TM82 | Sleep TalkWhile it is asleep, the user randomly uses one of the moves it knows.▶ User | Normal | — | — | |
| TM83 | Natural GiftThe user draws power to attack by using its held Berry. The Berry determines its type and power.▶ Selected Pokémon | Normal | — | 100% | |
| TM87 | SwaggerThe user enrages the foe into confusion. However, it also sharply raises the foe’s Attack stat.▶ Selected Pokémon | Normal | — | 90% | |
| TM90 | SubstituteThe user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.▶ User | Normal | — | — | |
| HM03 | SurfIt swamps the entire battlefield with a giant wave. It can also be used for crossing water.▶ All other Pokémon | Water | 95 | 100% | |
| HM04 | StrengthThe foe is slugged with a punch thrown at maximum power. It can also be used to move boulders.▶ Selected Pokémon | Normal | 80 | 100% | |
| HM05 | WhirlpoolTraps the foe inside a whirlpool that lasts for two to five turns. The user can pass through whirlpools.▶ Selected Pokémon | Water | 15 | 70% | |
| HM06 | Rock SmashThe user hits with a punch that may lower the target’s Defense. It can also smash cracked boulders.▶ Selected Pokémon | Fighting | 40 | 100% | |
| HM07 | WaterfallThe user charges at the foe rapidly, and may make it flinch. It can also be used to climb a waterfall.▶ Selected Pokémon | Water | 80 | 100% |
Tutor: Ice PunchThe foe is punched with an icy fist. It may leave the target frozen.▶ Selected Pokémon, HeadbuttThe user attacks with its head. It may make the foe flinch. To find Pokémon, hit trees.▶ Selected Pokémon, SwiftStar-shaped rays are shot at the foe. This attack never misses.▶ All opponents, SnoreAn attack that can be used only if the user is asleep. The harsh noise may also make the foe flinch.▶ Selected Pokémon, Mud-SlapThe user hurls mud in the foe’s face to inflict damage and lower its accuracy.▶ Selected Pokémon, Icy WindThe user attacks with a gust of chilled air. It also lowers the target’s Speed stat.▶ All opponents, DiveA two-turn attack. The user dives underwater on the first turn, then hits on the next turn.▶ Selected Pokémon
Egg moves: Double SlapThe foe is slapped repeatedly, back and forth, two to five times in a row.▶ Selected Pokémon, HeadbuttThe user attacks with its head. It may make the foe flinch. To find Pokémon, hit trees.▶ Selected Pokémon, Fury SwipesThe foe is raked with sharp claws or scythes for two to five times in quick succession.▶ Selected Pokémon, SlashThe foe is attacked with a slash of claws, etc. It has a high critical-hit ratio.▶ Selected Pokémon, Mud-SlapThe user hurls mud in the foe’s face to inflict damage and lower its accuracy.▶ Selected Pokémon, Fury CutterThe foe is slashed with scythes or claws. Its power increases if it hits in succession.▶ Selected Pokémon, Baton PassThe user switches places with a party Pokémon in waiting, passing along any stat changes.▶ User, Odor SleuthEnables the user to hit a Ghost type with any type of move. It also enables the user to hit an evasive foe.▶ Selected Pokémon