洋 means ocean; Western and is a JLPT N4 kanji. It has 9 strokes and uses the water (three drops) radical (氵).
Stroke order · 9 strokes
On'yomi (音読み)
ヨウ
Kun'yomi (訓読み)
—
Radical
氵 · water (three drops)
Strokes
9
How to remember 洋
氵 (water) + 羊 (sheep): a vast ocean full of waves white as sheep's wool. Anything coming from across the sea is 洋 — 洋服 (Western clothes), 洋食 (Western food).