20 (土)	10:15	03:58	22:07	16:03
	174cm	-4cm	188cm	31cm
大潮 出 07:01 入 18:11 出 18:54 入 07:29 潮干狩り ○ 14:50～17:14

勝本（長崎）2038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	119.0	↓-7.2
2/20 00:10	111.6	↓-7.4
2/20 00:20	104.0	↓-7.6
2/20 00:30	96.4	↓-7.6
2/20 00:40	88.7	↓-7.7	最大潮位差
2/20 00:50	81.1	↓-7.6
2/20 01:00	73.5	↓-7.6
2/20 01:10	66.1	↓-7.4
2/20 01:20	58.8	↓-7.3
2/20 01:30	51.7	↓-7.1
2/20 01:40	44.9	↓-6.8
2/20 01:50	38.4	↓-6.5
2/20 02:00	32.2	↓-6.2
2/20 02:10	26.5	↓-5.7
2/20 02:20	21.1	↓-5.4
2/20 02:30	16.2	↓-4.9
2/20 02:40	11.7	↓-4.5
2/20 02:50	7.7	↓-4.0
2/20 03:00	4.3	↓-3.4
2/20 03:10	1.4	↓-2.9
2/20 03:20	-1.0	↓-2.4
2/20 03:30	-2.8	↓-1.8
2/20 03:40	-4.1	↓-1.3
2/20 03:50	-4.8	↓-0.7	干潮
2/20 04:00	-4.9	↓-0.1
2/20 04:10	-4.5	↑0.4
2/20 04:20	-3.4	↑1.1
2/20 04:30	-1.9	↑1.5
2/20 04:40	0.3	↑2.2
2/20 04:50	3.0	↑2.7
2/20 05:00	6.2	↑3.2
2/20 05:10	9.9	↑3.7
2/20 05:20	14.1	↑4.2
2/20 05:30	18.8	↑4.7
2/20 05:40	24.0	↑5.2
2/20 05:50	29.5	↑5.5
2/20 06:00	35.4	↑5.9
2/20 06:10	41.7	↑6.3
2/20 06:20	48.3	↑6.6
2/20 06:30	55.1	↑6.8
2/20 06:40	62.2	↑7.1
2/20 06:50	69.4	↑7.2
2/20 07:00	76.8	↑7.4
2/20 07:10	84.3	↑7.5
2/20 07:20	91.7	↑7.4
2/20 07:30	99.2	↑7.5
2/20 07:40	106.6	↑7.4
2/20 07:50	113.8	↑7.2
2/20 08:00	120.8	↑7.0
2/20 08:10	127.6	↑6.8
2/20 08:20	134.1	↑6.5
2/20 08:30	140.3	↑6.2
2/20 08:40	146.0	↑5.7
2/20 08:50	151.3	↑5.3
2/20 09:00	156.1	↑4.8
2/20 09:10	160.4	↑4.3
2/20 09:20	164.1	↑3.7
2/20 09:30	167.2	↑3.1
2/20 09:40	169.8	↑2.6
2/20 09:50	171.6	↑1.8
2/20 10:00	172.9	↑1.3
2/20 10:10	173.4	↑0.5	満潮
2/20 10:20	173.4	0
2/20 10:30	172.6	↓-0.8
2/20 10:40	171.3	↓-1.3
2/20 10:50	169.3	↓-2.0
2/20 11:00	166.7	↓-2.6
2/20 11:10	163.5	↓-3.2
2/20 11:20	159.8	↓-3.7
2/20 11:30	155.6	↓-4.2
2/20 11:40	151.0	↓-4.6
2/20 11:50	145.9	↓-5.1
2/20 12:00	140.5	↓-5.4
2/20 12:10	134.7	↓-5.8
2/20 12:20	128.7	↓-6.0
2/20 12:30	122.5	↓-6.2
2/20 12:40	116.2	↓-6.3
2/20 12:50	109.7	↓-6.5
2/20 13:00	103.3	↓-6.4
2/20 13:10	96.8	↓-6.5
2/20 13:20	90.4	↓-6.4
2/20 13:30	84.1	↓-6.3
2/20 13:40	78.0	↓-6.1
2/20 13:50	72.1	↓-5.9
2/20 14:00	66.5	↓-5.6
2/20 14:10	61.2	↓-5.3
2/20 14:20	56.2	↓-5.0
2/20 14:30	51.6	↓-4.6
2/20 14:40	47.3	↓-4.3
2/20 14:50	43.5	↓-3.8
2/20 15:00	40.2	↓-3.3
2/20 15:10	37.3	↓-2.9
2/20 15:20	34.9	↓-2.4
2/20 15:30	33.0	↓-1.9
2/20 15:40	31.6	↓-1.4
2/20 15:50	30.7	↓-0.9
2/20 16:00	30.4	↓-0.3	干潮
2/20 16:10	30.6	↑0.2
2/20 16:20	31.2	↑0.6
2/20 16:30	32.4	↑1.2
2/20 16:40	34.1	↑1.7
2/20 16:50	36.4	↑2.3
2/20 17:00	39.0	↑2.6
2/20 17:10	42.2	↑3.2
2/20 17:20	45.8	↑3.6
2/20 17:30	49.9	↑4.1
2/20 17:40	54.4	↑4.5
2/20 17:50	59.2	↑4.8
2/20 18:00	64.4	↑5.2
2/20 18:10	70.0	↑5.6
2/20 18:20	75.8	↑5.8
2/20 18:30	81.9	↑6.1
2/20 18:40	88.2	↑6.3
2/20 18:50	94.7	↑6.5
2/20 19:00	101.4	↑6.7
2/20 19:10	108.1	↑6.7
2/20 19:20	114.9	↑6.8
2/20 19:30	121.6	↑6.7
2/20 19:40	128.3	↑6.7
2/20 19:50	134.9	↑6.6
2/20 20:00	141.4	↑6.5
2/20 20:10	147.6	↑6.2
2/20 20:20	153.5	↑5.9
2/20 20:30	159.1	↑5.6
2/20 20:40	164.4	↑5.3
2/20 20:50	169.2	↑4.8
2/20 21:00	173.6	↑4.4
2/20 21:10	177.4	↑3.8
2/20 21:20	180.7	↑3.3
2/20 21:30	183.4	↑2.7
2/20 21:40	185.5	↑2.1
2/20 21:50	186.9	↑1.4
2/20 22:00	187.6	↑0.7	満潮
2/20 22:10	187.7	↑0.1
2/20 22:20	187.1	↓-0.6
2/20 22:30	185.8	↓-1.3
2/20 22:40	183.8	↓-2.0
2/20 22:50	181.1	↓-2.7
2/20 23:00	177.7	↓-3.4
2/20 23:10	173.8	↓-3.9
2/20 23:20	169.1	↓-4.7
2/20 23:30	164.0	↓-5.1
2/20 23:40	158.2	↓-5.8
2/20 23:50	152.0	↓-6.2