20 (火)	03:19	09:31	15:14	22:08
	138cm	94cm	127cm	66cm
小潮 出 05:46 入 18:59 出 11:24 入 01:24

万関瀬戸（長崎）2021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	105.4	↑2.8	最大潮位差
4/20 00:10	108.2	↑2.8	最大潮位差
4/20 00:20	110.9	↑2.7
4/20 00:30	113.5	↑2.6
4/20 00:40	116.1	↑2.6
4/20 00:50	118.6	↑2.5
4/20 01:00	120.9	↑2.3
4/20 01:10	123.2	↑2.3
4/20 01:20	125.3	↑2.1
4/20 01:30	127.2	↑1.9
4/20 01:40	129.1	↑1.9
4/20 01:50	130.7	↑1.6
4/20 02:00	132.2	↑1.5
4/20 02:10	133.5	↑1.3
4/20 02:20	134.6	↑1.1
4/20 02:30	135.6	↑1.0
4/20 02:40	136.4	↑0.8
4/20 02:50	137.0	↑0.6
4/20 03:00	137.4	↑0.4
4/20 03:10	137.6	↑0.2	満潮
4/20 03:20	137.6	0
4/20 03:30	137.5	↓-0.1
4/20 03:40	137.2	↓-0.3
4/20 03:50	136.7	↓-0.5
4/20 04:00	136.1	↓-0.6
4/20 04:10	135.3	↓-0.8
4/20 04:20	134.4	↓-0.9
4/20 04:30	133.3	↓-1.1
4/20 04:40	132.1	↓-1.2
4/20 04:50	130.8	↓-1.3
4/20 05:00	129.4	↓-1.4
4/20 05:10	127.9	↓-1.5
4/20 05:20	126.3	↓-1.6
4/20 05:30	124.6	↓-1.7
4/20 05:40	122.9	↓-1.7
4/20 05:50	121.1	↓-1.8
4/20 06:00	119.3	↓-1.8
4/20 06:10	117.5	↓-1.8
4/20 06:20	115.6	↓-1.9
4/20 06:30	113.8	↓-1.8
4/20 06:40	112.0	↓-1.8
4/20 06:50	110.2	↓-1.8
4/20 07:00	108.5	↓-1.7
4/20 07:10	106.8	↓-1.7
4/20 07:20	105.2	↓-1.6
4/20 07:30	103.6	↓-1.6
4/20 07:40	102.2	↓-1.4
4/20 07:50	100.8	↓-1.4
4/20 08:00	99.6	↓-1.2
4/20 08:10	98.4	↓-1.2
4/20 08:20	97.4	↓-1.0
4/20 08:30	96.5	↓-0.9
4/20 08:40	95.8	↓-0.7
4/20 08:50	95.1	↓-0.7
4/20 09:00	94.6	↓-0.5
4/20 09:10	94.3	↓-0.3
4/20 09:20	94.1	↓-0.2
4/20 09:30	94.0	↓-0.1	干潮
4/20 09:40	94.0	0
4/20 09:50	94.2	↑0.2
4/20 10:00	94.6	↑0.4
4/20 10:10	95.0	↑0.4
4/20 10:20	95.6	↑0.6
4/20 10:30	96.4	↑0.8
4/20 10:40	97.2	↑0.8
4/20 10:50	98.1	↑0.9
4/20 11:00	99.2	↑1.1
4/20 11:10	100.3	↑1.1
4/20 11:20	101.5	↑1.2
4/20 11:30	102.8	↑1.3
4/20 11:40	104.1	↑1.3
4/20 11:50	105.5	↑1.4
4/20 12:00	107.0	↑1.5
4/20 12:10	108.4	↑1.4
4/20 12:20	109.9	↑1.5
4/20 12:30	111.4	↑1.5
4/20 12:40	112.9	↑1.5
4/20 12:50	114.4	↑1.5
4/20 13:00	115.8	↑1.4
4/20 13:10	117.2	↑1.4
4/20 13:20	118.5	↑1.3
4/20 13:30	119.8	↑1.3
4/20 13:40	121.0	↑1.2
4/20 13:50	122.1	↑1.1
4/20 14:00	123.1	↑1.0
4/20 14:10	124.0	↑0.9
4/20 14:20	124.8	↑0.8
4/20 14:30	125.5	↑0.7
4/20 14:40	126.0	↑0.5
4/20 14:50	126.4	↑0.4
4/20 15:00	126.7	↑0.3
4/20 15:10	126.8	↑0.1	満潮
4/20 15:20	126.8	0
4/20 15:30	126.6	↓-0.2
4/20 15:40	126.2	↓-0.4
4/20 15:50	125.7	↓-0.5
4/20 16:00	125.1	↓-0.6
4/20 16:10	124.3	↓-0.8
4/20 16:20	123.3	↓-1.0
4/20 16:30	122.2	↓-1.1
4/20 16:40	120.9	↓-1.3
4/20 16:50	119.5	↓-1.4
4/20 17:00	118.0	↓-1.5
4/20 17:10	116.4	↓-1.6
4/20 17:20	114.6	↓-1.8
4/20 17:30	112.7	↓-1.9
4/20 17:40	110.8	↓-1.9
4/20 17:50	108.7	↓-2.1
4/20 18:00	106.6	↓-2.1
4/20 18:10	104.4	↓-2.2
4/20 18:20	102.1	↓-2.3
4/20 18:30	99.8	↓-2.3
4/20 18:40	97.5	↓-2.3
4/20 18:50	95.1	↓-2.4
4/20 19:00	92.8	↓-2.3
4/20 19:10	90.5	↓-2.3
4/20 19:20	88.2	↓-2.3
4/20 19:30	85.9	↓-2.3
4/20 19:40	83.7	↓-2.2
4/20 19:50	81.6	↓-2.1
4/20 20:00	79.5	↓-2.1
4/20 20:10	77.6	↓-1.9
4/20 20:20	75.7	↓-1.9
4/20 20:30	74.0	↓-1.7
4/20 20:40	72.4	↓-1.6
4/20 20:50	71.0	↓-1.4
4/20 21:00	69.7	↓-1.3
4/20 21:10	68.5	↓-1.2
4/20 21:20	67.5	↓-1.0
4/20 21:30	66.7	↓-0.8
4/20 21:40	66.1	↓-0.6
4/20 21:50	65.7	↓-0.4
4/20 22:00	65.5	↓-0.2	干潮
4/20 22:10	65.4	↓-0.1
4/20 22:20	65.6	↑0.2
4/20 22:30	66.0	↑0.4
4/20 22:40	66.5	↑0.5
4/20 22:50	67.3	↑0.8
4/20 23:00	68.3	↑1.0
4/20 23:10	69.4	↑1.1
4/20 23:20	70.8	↑1.4
4/20 23:30	72.3	↑1.5
4/20 23:40	74.0	↑1.7
4/20 23:50	75.8	↑1.8