20 (日)	01:57	07:52	13:34	20:37
	141cm	93cm	132cm	65cm
小潮 出 05:46 入 18:59 出 00:57 入 10:29

万関瀬戸（長崎）2025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	125.9	↑2.6	最大潮位差
4/20 00:10	128.3	↑2.4
4/20 00:20	130.5	↑2.2
4/20 00:30	132.5	↑2.0
4/20 00:40	134.3	↑1.8
4/20 00:50	135.9	↑1.6
4/20 01:00	137.3	↑1.4
4/20 01:10	138.5	↑1.2
4/20 01:20	139.4	↑0.9
4/20 01:30	140.1	↑0.7
4/20 01:40	140.6	↑0.5
4/20 01:50	140.9	↑0.3	満潮
4/20 02:00	140.9	0
4/20 02:10	140.7	↓-0.2
4/20 02:20	140.3	↓-0.4
4/20 02:30	139.7	↓-0.6
4/20 02:40	138.9	↓-0.8
4/20 02:50	137.9	↓-1.0
4/20 03:00	136.8	↓-1.1
4/20 03:10	135.5	↓-1.3
4/20 03:20	134.0	↓-1.5
4/20 03:30	132.4	↓-1.6
4/20 03:40	130.7	↓-1.7
4/20 03:50	128.8	↓-1.9
4/20 04:00	126.9	↓-1.9
4/20 04:10	124.9	↓-2.0
4/20 04:20	122.9	↓-2.0
4/20 04:30	120.8	↓-2.1
4/20 04:40	118.7	↓-2.1
4/20 04:50	116.6	↓-2.1
4/20 05:00	114.5	↓-2.1
4/20 05:10	112.4	↓-2.1
4/20 05:20	110.4	↓-2.0
4/20 05:30	108.4	↓-2.0
4/20 05:40	106.5	↓-1.9
4/20 05:50	104.6	↓-1.9
4/20 06:00	102.9	↓-1.7
4/20 06:10	101.3	↓-1.6
4/20 06:20	99.8	↓-1.5
4/20 06:30	98.4	↓-1.4
4/20 06:40	97.2	↓-1.2
4/20 06:50	96.1	↓-1.1
4/20 07:00	95.2	↓-0.9
4/20 07:10	94.4	↓-0.8
4/20 07:20	93.8	↓-0.6
4/20 07:30	93.3	↓-0.5
4/20 07:40	93.1	↓-0.2
4/20 07:50	93.0	↓-0.1	干潮
4/20 08:00	93.0	0
4/20 08:10	93.2	↑0.2
4/20 08:20	93.6	↑0.4
4/20 08:30	94.2	↑0.6
4/20 08:40	94.9	↑0.7
4/20 08:50	95.7	↑0.8
4/20 09:00	96.7	↑1.0
4/20 09:10	97.8	↑1.1
4/20 09:20	99.0	↑1.2
4/20 09:30	100.4	↑1.4
4/20 09:40	101.8	↑1.4
4/20 09:50	103.3	↑1.5
4/20 10:00	104.9	↑1.6
4/20 10:10	106.6	↑1.7
4/20 10:20	108.3	↑1.7
4/20 10:30	110.0	↑1.7
4/20 10:40	111.7	↑1.7
4/20 10:50	113.5	↑1.8
4/20 11:00	115.2	↑1.7
4/20 11:10	117.0	↑1.8
4/20 11:20	118.6	↑1.6
4/20 11:30	120.3	↑1.7
4/20 11:40	121.8	↑1.5
4/20 11:50	123.3	↑1.5
4/20 12:00	124.7	↑1.4
4/20 12:10	126.0	↑1.3
4/20 12:20	127.1	↑1.1
4/20 12:30	128.2	↑1.1
4/20 12:40	129.1	↑0.9
4/20 12:50	129.9	↑0.8
4/20 13:00	130.5	↑0.6
4/20 13:10	131.0	↑0.5
4/20 13:20	131.3	↑0.3
4/20 13:30	131.4	↑0.1	満潮
4/20 13:40	131.4	0
4/20 13:50	131.2	↓-0.2
4/20 14:00	130.8	↓-0.4
4/20 14:10	130.3	↓-0.5
4/20 14:20	129.5	↓-0.8
4/20 14:30	128.7	↓-0.8
4/20 14:40	127.6	↓-1.1
4/20 14:50	126.4	↓-1.2
4/20 15:00	125.0	↓-1.4
4/20 15:10	123.5	↓-1.5
4/20 15:20	121.8	↓-1.7
4/20 15:30	120.0	↓-1.8
4/20 15:40	118.1	↓-1.9
4/20 15:50	116.1	↓-2.0
4/20 16:00	113.9	↓-2.2
4/20 16:10	111.7	↓-2.2
4/20 16:20	109.4	↓-2.3
4/20 16:30	107.0	↓-2.4
4/20 16:40	104.6	↓-2.4
4/20 16:50	102.1	↓-2.5
4/20 17:00	99.6	↓-2.5
4/20 17:10	97.1	↓-2.5
4/20 17:20	94.6	↓-2.5
4/20 17:30	92.2	↓-2.4
4/20 17:40	89.7	↓-2.5
4/20 17:50	87.3	↓-2.4
4/20 18:00	84.9	↓-2.4
4/20 18:10	82.7	↓-2.2
4/20 18:20	80.5	↓-2.2
4/20 18:30	78.4	↓-2.1
4/20 18:40	76.4	↓-2.0
4/20 18:50	74.5	↓-1.9
4/20 19:00	72.8	↓-1.7
4/20 19:10	71.2	↓-1.6
4/20 19:20	69.7	↓-1.5
4/20 19:30	68.5	↓-1.2
4/20 19:40	67.3	↓-1.2
4/20 19:50	66.4	↓-0.9
4/20 20:00	65.6	↓-0.8
4/20 20:10	65.1	↓-0.5
4/20 20:20	64.7	↓-0.4
4/20 20:30	64.5	↓-0.2	干潮
4/20 20:40	64.5	0
4/20 20:50	64.6	↑0.1
4/20 21:00	65.0	↑0.4
4/20 21:10	65.6	↑0.6
4/20 21:20	66.3	↑0.7
4/20 21:30	67.2	↑0.9
4/20 21:40	68.3	↑1.1
4/20 21:50	69.6	↑1.3
4/20 22:00	71.1	↑1.5
4/20 22:10	72.7	↑1.6
4/20 22:20	74.4	↑1.7
4/20 22:30	76.3	↑1.9
4/20 22:40	78.3	↑2.0
4/20 22:50	80.4	↑2.1
4/20 23:00	82.6	↑2.2
4/20 23:10	84.9	↑2.3
4/20 23:20	87.4	↑2.5
4/20 23:30	89.8	↑2.4
4/20 23:40	92.4	↑2.6	最大潮位差
4/20 23:50	94.9	↑2.5