20 (金)	05:05	11:01	17:16	23:55
	162cm	75cm	183cm	40cm
若潮 出 07:21 入 17:18 出 02:05 入 13:20

郷ノ浦／壱岐（長崎）2030年12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
12/20 00:00	68.6	↑2.3
12/20 00:10	71.3	↑2.7
12/20 00:20	74.2	↑2.9
12/20 00:30	77.4	↑3.2
12/20 00:40	80.8	↑3.4
12/20 00:50	84.4	↑3.6
12/20 01:00	88.2	↑3.8
12/20 01:10	92.1	↑3.9
12/20 01:20	96.2	↑4.1
12/20 01:30	100.4	↑4.2
12/20 01:40	104.6	↑4.2
12/20 01:50	108.9	↑4.3
12/20 02:00	113.1	↑4.2
12/20 02:10	117.4	↑4.3
12/20 02:20	121.6	↑4.2
12/20 02:30	125.7	↑4.1
12/20 02:40	129.7	↑4.0
12/20 02:50	133.5	↑3.8
12/20 03:00	137.2	↑3.7
12/20 03:10	140.7	↑3.5
12/20 03:20	144.0	↑3.3
12/20 03:30	147.1	↑3.1
12/20 03:40	149.9	↑2.8
12/20 03:50	152.4	↑2.5
12/20 04:00	154.6	↑2.2
12/20 04:10	156.6	↑2.0
12/20 04:20	158.2	↑1.6
12/20 04:30	159.5	↑1.3
12/20 04:40	160.5	↑1.0
12/20 04:50	161.1	↑0.6
12/20 05:00	161.4	↑0.3	満潮
12/20 05:10	161.4	0
12/20 05:20	161.0	↓-0.4
12/20 05:30	160.3	↓-0.7
12/20 05:40	159.3	↓-1.0
12/20 05:50	158.0	↓-1.3
12/20 06:00	156.3	↓-1.7
12/20 06:10	154.4	↓-1.9
12/20 06:20	152.2	↓-2.2
12/20 06:30	149.7	↓-2.5
12/20 06:40	147.0	↓-2.7
12/20 06:50	144.1	↓-2.9
12/20 07:00	141.0	↓-3.1
12/20 07:10	137.7	↓-3.3
12/20 07:20	134.2	↓-3.5
12/20 07:30	130.6	↓-3.6
12/20 07:40	127.0	↓-3.6
12/20 07:50	123.2	↓-3.8
12/20 08:00	119.4	↓-3.8
12/20 08:10	115.6	↓-3.8
12/20 08:20	111.9	↓-3.7
12/20 08:30	108.1	↓-3.8
12/20 08:40	104.4	↓-3.7
12/20 08:50	100.9	↓-3.5
12/20 09:00	97.4	↓-3.5
12/20 09:10	94.2	↓-3.2
12/20 09:20	91.1	↓-3.1
12/20 09:30	88.2	↓-2.9
12/20 09:40	85.5	↓-2.7
12/20 09:50	83.1	↓-2.4
12/20 10:00	81.0	↓-2.1
12/20 10:10	79.2	↓-1.8
12/20 10:20	77.6	↓-1.6
12/20 10:30	76.4	↓-1.2
12/20 10:40	75.6	↓-0.8
12/20 10:50	75.0	↓-0.6
12/20 11:00	74.9	↓-0.1	干潮
12/20 11:10	75.0	↑0.1
12/20 11:20	75.6	↑0.6
12/20 11:30	76.5	↑0.9
12/20 11:40	77.7	↑1.2
12/20 11:50	79.3	↑1.6
12/20 12:00	81.3	↑2.0
12/20 12:10	83.5	↑2.2
12/20 12:20	86.1	↑2.6
12/20 12:30	88.9	↑2.8
12/20 12:40	92.1	↑3.2
12/20 12:50	95.5	↑3.4
12/20 13:00	99.1	↑3.6
12/20 13:10	103.0	↑3.9
12/20 13:20	107.0	↑4.0
12/20 13:30	111.2	↑4.2
12/20 13:40	115.5	↑4.3
12/20 13:50	119.9	↑4.4
12/20 14:00	124.3	↑4.4
12/20 14:10	128.8	↑4.5
12/20 14:20	133.3	↑4.5
12/20 14:30	137.8	↑4.5
12/20 14:40	142.3	↑4.5
12/20 14:50	146.6	↑4.3
12/20 15:00	150.8	↑4.2
12/20 15:10	154.9	↑4.1
12/20 15:20	158.7	↑3.8
12/20 15:30	162.4	↑3.7
12/20 15:40	165.8	↑3.4
12/20 15:50	169.0	↑3.2
12/20 16:00	171.9	↑2.9
12/20 16:10	174.5	↑2.6
12/20 16:20	176.8	↑2.3
12/20 16:30	178.7	↑1.9
12/20 16:40	180.2	↑1.5
12/20 16:50	181.4	↑1.2
12/20 17:00	182.2	↑0.8
12/20 17:10	182.6	↑0.4	満潮
12/20 17:20	182.6	0
12/20 17:30	182.2	↓-0.4
12/20 17:40	181.4	↓-0.8
12/20 17:50	180.1	↓-1.3
12/20 18:00	178.5	↓-1.6
12/20 18:10	176.5	↓-2.0
12/20 18:20	174.0	↓-2.5
12/20 18:30	171.2	↓-2.8
12/20 18:40	168.1	↓-3.1
12/20 18:50	164.5	↓-3.6
12/20 19:00	160.7	↓-3.8
12/20 19:10	156.5	↓-4.2
12/20 19:20	152.1	↓-4.4
12/20 19:30	147.4	↓-4.7
12/20 19:40	142.5	↓-4.9
12/20 19:50	137.3	↓-5.2
12/20 20:00	132.0	↓-5.3
12/20 20:10	126.6	↓-5.4
12/20 20:20	121.0	↓-5.6
12/20 20:30	115.4	↓-5.6
12/20 20:40	109.7	↓-5.7	最大潮位差
12/20 20:50	104.1	↓-5.6
12/20 21:00	98.5	↓-5.6
12/20 21:10	92.9	↓-5.6
12/20 21:20	87.5	↓-5.4
12/20 21:30	82.2	↓-5.3
12/20 21:40	77.1	↓-5.1
12/20 21:50	72.3	↓-4.8
12/20 22:00	67.6	↓-4.7
12/20 22:10	63.3	↓-4.3
12/20 22:20	59.2	↓-4.1
12/20 22:30	55.5	↓-3.7
12/20 22:40	52.1	↓-3.4
12/20 22:50	49.1	↓-3.0
12/20 23:00	46.5	↓-2.6
12/20 23:10	44.4	↓-2.1
12/20 23:20	42.6	↓-1.8
12/20 23:30	41.3	↓-1.3
12/20 23:40	40.4	↓-0.9
12/20 23:50	40.0	↓-0.4	干潮