20 (日)	05:47	11:10	16:22	23:43
	181cm	141cm	179cm	53cm
長潮 出 07:02 入 18:12 出 03:38 入 13:26

志々伎湾（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	81.7	↑2.8
2/20 00:10	84.8	↑3.1
2/20 00:20	88.1	↑3.3
2/20 00:30	91.5	↑3.4
2/20 00:40	95.0	↑3.5
2/20 00:50	98.7	↑3.7
2/20 01:00	102.5	↑3.8
2/20 01:10	106.4	↑3.9
2/20 01:20	110.4	↑4.0
2/20 01:30	114.4	↑4.0
2/20 01:40	118.4	↑4.0
2/20 01:50	122.5	↑4.1
2/20 02:00	126.5	↑4.0
2/20 02:10	130.5	↑4.0
2/20 02:20	134.5	↑4.0
2/20 02:30	138.4	↑3.9
2/20 02:40	142.2	↑3.8
2/20 02:50	145.8	↑3.6
2/20 03:00	149.4	↑3.6
2/20 03:10	152.8	↑3.4
2/20 03:20	156.1	↑3.3
2/20 03:30	159.2	↑3.1
2/20 03:40	162.1	↑2.9
2/20 03:50	164.9	↑2.8
2/20 04:00	167.4	↑2.5
2/20 04:10	169.7	↑2.3
2/20 04:20	171.8	↑2.1
2/20 04:30	173.7	↑1.9
2/20 04:40	175.3	↑1.6
2/20 04:50	176.7	↑1.4
2/20 05:00	177.9	↑1.2
2/20 05:10	178.8	↑0.9
2/20 05:20	179.5	↑0.7
2/20 05:30	180.0	↑0.5
2/20 05:40	180.2	↑0.2	満潮
2/20 05:50	180.2	0
2/20 06:00	180.0	↓-0.2
2/20 06:10	179.6	↓-0.4
2/20 06:20	179.0	↓-0.6
2/20 06:30	178.2	↓-0.8
2/20 06:40	177.2	↓-1.0
2/20 06:50	176.1	↓-1.1
2/20 07:00	174.8	↓-1.3
2/20 07:10	173.4	↓-1.4
2/20 07:20	171.9	↓-1.5
2/20 07:30	170.2	↓-1.7
2/20 07:40	168.5	↓-1.7
2/20 07:50	166.7	↓-1.8
2/20 08:00	164.9	↓-1.8
2/20 08:10	163.0	↓-1.9
2/20 08:20	161.1	↓-1.9
2/20 08:30	159.2	↓-1.9
2/20 08:40	157.3	↓-1.9
2/20 08:50	155.4	↓-1.9
2/20 09:00	153.6	↓-1.8
2/20 09:10	151.9	↓-1.7
2/20 09:20	150.2	↓-1.7
2/20 09:30	148.7	↓-1.5
2/20 09:40	147.2	↓-1.5
2/20 09:50	145.9	↓-1.3
2/20 10:00	144.7	↓-1.2
2/20 10:10	143.6	↓-1.1
2/20 10:20	142.7	↓-0.9
2/20 10:30	142.0	↓-0.7
2/20 10:40	141.4	↓-0.6
2/20 10:50	141.0	↓-0.4
2/20 11:00	140.7	↓-0.3	干潮
2/20 11:10	140.7	0	干潮
2/20 11:20	140.8	↑0.1
2/20 11:30	141.1	↑0.3
2/20 11:40	141.5	↑0.4
2/20 11:50	142.2	↑0.7
2/20 12:00	143.0	↑0.8
2/20 12:10	143.9	↑0.9
2/20 12:20	145.0	↑1.1
2/20 12:30	146.3	↑1.3
2/20 12:40	147.7	↑1.4
2/20 12:50	149.2	↑1.5
2/20 13:00	150.8	↑1.6
2/20 13:10	152.4	↑1.6
2/20 13:20	154.2	↑1.8
2/20 13:30	156.0	↑1.8
2/20 13:40	157.9	↑1.9
2/20 13:50	159.8	↑1.9
2/20 14:00	161.7	↑1.9
2/20 14:10	163.6	↑1.9
2/20 14:20	165.4	↑1.8
2/20 14:30	167.2	↑1.8
2/20 14:40	169.0	↑1.8
2/20 14:50	170.6	↑1.6
2/20 15:00	172.2	↑1.6
2/20 15:10	173.6	↑1.4
2/20 15:20	174.9	↑1.3
2/20 15:30	176.0	↑1.1
2/20 15:40	177.0	↑1.0
2/20 15:50	177.8	↑0.8
2/20 16:00	178.3	↑0.5
2/20 16:10	178.7	↑0.4
2/20 16:20	178.8	↑0.1	満潮
2/20 16:30	178.7	↓-0.1
2/20 16:40	178.4	↓-0.3
2/20 16:50	177.8	↓-0.6
2/20 17:00	176.9	↓-0.9
2/20 17:10	175.8	↓-1.1
2/20 17:20	174.4	↓-1.4
2/20 17:30	172.8	↓-1.6
2/20 17:40	170.8	↓-2.0
2/20 17:50	168.7	↓-2.1
2/20 18:00	166.2	↓-2.5
2/20 18:10	163.6	↓-2.6
2/20 18:20	160.6	↓-3.0
2/20 18:30	157.5	↓-3.1
2/20 18:40	154.1	↓-3.4
2/20 18:50	150.6	↓-3.5
2/20 19:00	146.8	↓-3.8
2/20 19:10	142.9	↓-3.9
2/20 19:20	138.8	↓-4.1
2/20 19:30	134.6	↓-4.2
2/20 19:40	130.2	↓-4.4
2/20 19:50	125.8	↓-4.4
2/20 20:00	121.3	↓-4.5
2/20 20:10	116.8	↓-4.5
2/20 20:20	112.2	↓-4.6	最大潮位差
2/20 20:30	107.6	↓-4.6	最大潮位差
2/20 20:40	103.1	↓-4.5
2/20 20:50	98.6	↓-4.5
2/20 21:00	94.2	↓-4.4
2/20 21:10	89.9	↓-4.3
2/20 21:20	85.7	↓-4.2
2/20 21:30	81.7	↓-4.0
2/20 21:40	77.8	↓-3.9
2/20 21:50	74.2	↓-3.6
2/20 22:00	70.7	↓-3.5
2/20 22:10	67.6	↓-3.1
2/20 22:20	64.6	↓-3.0
2/20 22:30	62.0	↓-2.6
2/20 22:40	59.7	↓-2.3
2/20 22:50	57.6	↓-2.1
2/20 23:00	56.0	↓-1.6
2/20 23:10	54.6	↓-1.4
2/20 23:20	53.6	↓-1.0
2/20 23:30	53.0	↓-0.6
2/20 23:40	52.7	↓-0.3	干潮
2/20 23:50	52.8	↑0.1