20 (月)	04:45	11:56	19:01	23:49
	127cm	-21cm	110cm	75cm
中潮 出 04:59 入 18:15 出 06:28 入 21:50 潮干狩り ◎ 09:03～14:52

銚子漁港（千葉）2026年04月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/20 00:00	66.8	↑1.1
4/20 00:10	68.1	↑1.3
4/20 00:20	69.6	↑1.5
4/20 00:30	71.4	↑1.8
4/20 00:40	73.4	↑2.0
4/20 00:50	75.5	↑2.1
4/20 01:00	77.9	↑2.4
4/20 01:10	80.4	↑2.5
4/20 01:20	83.1	↑2.7
4/20 01:30	85.9	↑2.8
4/20 01:40	88.7	↑2.8
4/20 01:50	91.6	↑2.9
4/20 02:00	94.6	↑3.0
4/20 02:10	97.5	↑2.9
4/20 02:20	100.5	↑3.0
4/20 02:30	103.4	↑2.9
4/20 02:40	106.2	↑2.8
4/20 02:50	108.9	↑2.7
4/20 03:00	111.6	↑2.7
4/20 03:10	114.1	↑2.5
4/20 03:20	116.4	↑2.3
4/20 03:30	118.5	↑2.1
4/20 03:40	120.5	↑2.0
4/20 03:50	122.2	↑1.7
4/20 04:00	123.7	↑1.5
4/20 04:10	124.9	↑1.2
4/20 04:20	125.8	↑0.9
4/20 04:30	126.4	↑0.6
4/20 04:40	126.7	↑0.3	満潮
4/20 04:50	126.7	0
4/20 05:00	126.3	↓-0.4
4/20 05:10	125.6	↓-0.7
4/20 05:20	124.5	↓-1.1
4/20 05:30	123.1	↓-1.4
4/20 05:40	121.2	↓-1.9
4/20 05:50	119.1	↓-2.1
4/20 06:00	116.5	↓-2.6
4/20 06:10	113.6	↓-2.9
4/20 06:20	110.4	↓-3.2
4/20 06:30	106.8	↓-3.6
4/20 06:40	103.0	↓-3.8
4/20 06:50	98.8	↓-4.2
4/20 07:00	94.5	↓-4.3
4/20 07:10	89.8	↓-4.7
4/20 07:20	85.0	↓-4.8
4/20 07:30	80.0	↓-5.0
4/20 07:40	74.9	↓-5.1
4/20 07:50	69.6	↓-5.3
4/20 08:00	64.3	↓-5.3
4/20 08:10	58.9	↓-5.4
4/20 08:20	53.4	↓-5.5	最大潮位差
4/20 08:30	48.0	↓-5.4
4/20 08:40	42.7	↓-5.3
4/20 08:50	37.3	↓-5.4
4/20 09:00	32.1	↓-5.2
4/20 09:10	27.0	↓-5.1
4/20 09:20	22.0	↓-5.0
4/20 09:30	17.2	↓-4.8
4/20 09:40	12.6	↓-4.6
4/20 09:50	8.2	↓-4.4
4/20 10:00	4.0	↓-4.2
4/20 10:10	0.1	↓-3.9
4/20 10:20	-3.6	↓-3.7
4/20 10:30	-6.9	↓-3.3
4/20 10:40	-10.0	↓-3.1
4/20 10:50	-12.7	↓-2.7
4/20 11:00	-15.1	↓-2.4
4/20 11:10	-17.0	↓-1.9
4/20 11:20	-18.6	↓-1.6
4/20 11:30	-19.9	↓-1.3
4/20 11:40	-20.7	↓-0.8
4/20 11:50	-21.1	↓-0.4	干潮
4/20 12:00	-21.1	0
4/20 12:10	-20.7	↑0.4
4/20 12:20	-19.9	↑0.8
4/20 12:30	-18.7	↑1.2
4/20 12:40	-17.1	↑1.6
4/20 12:50	-15.1	↑2.0
4/20 13:00	-12.8	↑2.3
4/20 13:10	-10.1	↑2.7
4/20 13:20	-7.1	↑3.0
4/20 13:30	-3.8	↑3.3
4/20 13:40	-0.3	↑3.5
4/20 13:50	3.5	↑3.8
4/20 14:00	7.6	↑4.1
4/20 14:10	11.8	↑4.2
4/20 14:20	16.2	↑4.4
4/20 14:30	20.7	↑4.5
4/20 14:40	25.3	↑4.6
4/20 14:50	30.1	↑4.8
4/20 15:00	34.9	↑4.8
4/20 15:10	39.7	↑4.8
4/20 15:20	44.5	↑4.8
4/20 15:30	49.4	↑4.9
4/20 15:40	54.2	↑4.8
4/20 15:50	58.9	↑4.7
4/20 16:00	63.5	↑4.6
4/20 16:10	68.0	↑4.5
4/20 16:20	72.4	↑4.4
4/20 16:30	76.6	↑4.2
4/20 16:40	80.7	↑4.1
4/20 16:50	84.5	↑3.8
4/20 17:00	88.1	↑3.6
4/20 17:10	91.5	↑3.4
4/20 17:20	94.6	↑3.1
4/20 17:30	97.5	↑2.9
4/20 17:40	100.0	↑2.5
4/20 17:50	102.3	↑2.3
4/20 18:00	104.2	↑1.9
4/20 18:10	105.9	↑1.7
4/20 18:20	107.2	↑1.3
4/20 18:30	108.2	↑1.0
4/20 18:40	109.0	↑0.8
4/20 18:50	109.4	↑0.4
4/20 19:00	109.5	↑0.1	満潮
4/20 19:10	109.4	↓-0.1
4/20 19:20	109.0	↓-0.4
4/20 19:30	108.4	↓-0.6
4/20 19:40	107.6	↓-0.8
4/20 19:50	106.5	↓-1.1
4/20 20:00	105.3	↓-1.2
4/20 20:10	104.0	↓-1.3
4/20 20:20	102.5	↓-1.5
4/20 20:30	100.9	↓-1.6
4/20 20:40	99.2	↓-1.7
4/20 20:50	97.4	↓-1.8
4/20 21:00	95.6	↓-1.8
4/20 21:10	93.8	↓-1.8
4/20 21:20	91.9	↓-1.9
4/20 21:30	90.1	↓-1.8
4/20 21:40	88.3	↓-1.8
4/20 21:50	86.5	↓-1.8
4/20 22:00	84.8	↓-1.7
4/20 22:10	83.1	↓-1.7
4/20 22:20	81.6	↓-1.5
4/20 22:30	80.1	↓-1.5
4/20 22:40	78.8	↓-1.3
4/20 22:50	77.6	↓-1.2
4/20 23:00	76.6	↓-1.0
4/20 23:10	75.7	↓-0.9
4/20 23:20	75.0	↓-0.7
4/20 23:30	74.5	↓-0.5
4/20 23:40	74.2	↓-0.3	干潮
4/20 23:50	74.2	0