20 (日)	05:40	11:39	17:19	-
	127cm	85cm	125cm	-
長潮 出 07:03 入 18:11 出 03:42 入 13:23

万関瀬戸（長崎）2028年02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
2/20 00:00	61.9	↑1.6
2/20 00:10	63.7	↑1.8
2/20 00:20	65.7	↑2.0
2/20 00:30	67.8	↑2.1
2/20 00:40	70.0	↑2.2
2/20 00:50	72.3	↑2.3
2/20 01:00	74.7	↑2.4
2/20 01:10	77.1	↑2.4
2/20 01:20	79.7	↑2.6
2/20 01:30	82.3	↑2.6
2/20 01:40	84.9	↑2.6
2/20 01:50	87.5	↑2.6
2/20 02:00	90.2	↑2.7
2/20 02:10	92.9	↑2.7
2/20 02:20	95.5	↑2.6
2/20 02:30	98.1	↑2.6
2/20 02:40	100.7	↑2.6
2/20 02:50	103.2	↑2.5
2/20 03:00	105.6	↑2.4
2/20 03:10	108.0	↑2.4
2/20 03:20	110.2	↑2.2
2/20 03:30	112.4	↑2.2
2/20 03:40	114.4	↑2.0
2/20 03:50	116.3	↑1.9
2/20 04:00	118.1	↑1.8
2/20 04:10	119.7	↑1.6
2/20 04:20	121.1	↑1.4
2/20 04:30	122.4	↑1.3
2/20 04:40	123.6	↑1.2
2/20 04:50	124.5	↑0.9
2/20 05:00	125.3	↑0.8
2/20 05:10	125.9	↑0.6
2/20 05:20	126.3	↑0.4
2/20 05:30	126.6	↑0.3	満潮
2/20 05:40	126.7	↑0.1	満潮
2/20 05:50	126.6	↓-0.1
2/20 06:00	126.3	↓-0.3
2/20 06:10	125.9	↓-0.4
2/20 06:20	125.3	↓-0.6
2/20 06:30	124.5	↓-0.8
2/20 06:40	123.6	↓-0.9
2/20 06:50	122.6	↓-1.0
2/20 07:00	121.4	↓-1.2
2/20 07:10	120.1	↓-1.3
2/20 07:20	118.7	↓-1.4
2/20 07:30	117.2	↓-1.5
2/20 07:40	115.6	↓-1.6
2/20 07:50	113.9	↓-1.7
2/20 08:00	112.2	↓-1.7
2/20 08:10	110.4	↓-1.8
2/20 08:20	108.6	↓-1.8
2/20 08:30	106.7	↓-1.9
2/20 08:40	104.9	↓-1.8
2/20 08:50	103.1	↓-1.8
2/20 09:00	101.2	↓-1.9
2/20 09:10	99.4	↓-1.8
2/20 09:20	97.7	↓-1.7
2/20 09:30	96.0	↓-1.7
2/20 09:40	94.4	↓-1.6
2/20 09:50	92.9	↓-1.5
2/20 10:00	91.5	↓-1.4
2/20 10:10	90.1	↓-1.4
2/20 10:20	88.9	↓-1.2
2/20 10:30	87.8	↓-1.1
2/20 10:40	86.9	↓-0.9
2/20 10:50	86.1	↓-0.8
2/20 11:00	85.4	↓-0.7
2/20 11:10	84.9	↓-0.5
2/20 11:20	84.5	↓-0.4
2/20 11:30	84.3	↓-0.2	干潮
2/20 11:40	84.3	0
2/20 11:50	84.4	↑0.1
2/20 12:00	84.7	↑0.3
2/20 12:10	85.1	↑0.4
2/20 12:20	85.7	↑0.6
2/20 12:30	86.5	↑0.8
2/20 12:40	87.3	↑0.8
2/20 12:50	88.4	↑1.1
2/20 13:00	89.5	↑1.1
2/20 13:10	90.8	↑1.3
2/20 13:20	92.2	↑1.4
2/20 13:30	93.7	↑1.5
2/20 13:40	95.2	↑1.5
2/20 13:50	96.9	↑1.7
2/20 14:00	98.6	↑1.7
2/20 14:10	100.4	↑1.8
2/20 14:20	102.2	↑1.8
2/20 14:30	104.0	↑1.8
2/20 14:40	105.9	↑1.9
2/20 14:50	107.7	↑1.8
2/20 15:00	109.5	↑1.8
2/20 15:10	111.3	↑1.8
2/20 15:20	113.0	↑1.7
2/20 15:30	114.6	↑1.6
2/20 15:40	116.2	↑1.6
2/20 15:50	117.6	↑1.4
2/20 16:00	119.0	↑1.4
2/20 16:10	120.2	↑1.2
2/20 16:20	121.3	↑1.1
2/20 16:30	122.3	↑1.0
2/20 16:40	123.0	↑0.7
2/20 16:50	123.7	↑0.7
2/20 17:00	124.1	↑0.4
2/20 17:10	124.3	↑0.2	満潮
2/20 17:20	124.4	↑0.1
2/20 17:30	124.2	↓-0.2
2/20 17:40	123.9	↓-0.3
2/20 17:50	123.3	↓-0.6
2/20 18:00	122.6	↓-0.7
2/20 18:10	121.6	↓-1.0
2/20 18:20	120.5	↓-1.1
2/20 18:30	119.1	↓-1.4
2/20 18:40	117.5	↓-1.6
2/20 18:50	115.8	↓-1.7
2/20 19:00	113.8	↓-2.0
2/20 19:10	111.7	↓-2.1
2/20 19:20	109.5	↓-2.2
2/20 19:30	107.0	↓-2.5
2/20 19:40	104.5	↓-2.5
2/20 19:50	101.8	↓-2.7
2/20 20:00	99.0	↓-2.8
2/20 20:10	96.1	↓-2.9
2/20 20:20	93.1	↓-3.0
2/20 20:30	90.0	↓-3.1
2/20 20:40	86.9	↓-3.1
2/20 20:50	83.8	↓-3.1
2/20 21:00	80.7	↓-3.1
2/20 21:10	77.5	↓-3.2	最大潮位差
2/20 21:20	74.4	↓-3.1
2/20 21:30	71.4	↓-3.0
2/20 21:40	68.4	↓-3.0
2/20 21:50	65.5	↓-2.9
2/20 22:00	62.8	↓-2.7
2/20 22:10	60.1	↓-2.7
2/20 22:20	57.6	↓-2.5
2/20 22:30	55.2	↓-2.4
2/20 22:40	53.1	↓-2.1
2/20 22:50	51.1	↓-2.0
2/20 23:00	49.3	↓-1.8
2/20 23:10	47.7	↓-1.6
2/20 23:20	46.4	↓-1.3
2/20 23:30	45.3	↓-1.1
2/20 23:40	44.5	↓-0.8
2/20 23:50	43.9	↓-0.6