20 (水)	07:29	01:10	19:43	13:39
	181cm	40cm	181cm	42cm
中潮 出 05:47 入 18:59 出 04:26 入 16:00 潮干狩り ○ 12:57～14:19

竹敷（長崎）2039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	50.3	↓-3.1
4/20 00:10	47.6	↓-2.7
4/20 00:20	45.2	↓-2.4
4/20 00:30	43.3	↓-1.9
4/20 00:40	41.7	↓-1.6
4/20 00:50	40.7	↓-1.0
4/20 01:00	40.0	↓-0.7	干潮
4/20 01:10	39.8	↓-0.2	干潮
4/20 01:20	40.1	↑0.3
4/20 01:30	40.9	↑0.8
4/20 01:40	42.1	↑1.2
4/20 01:50	43.7	↑1.6
4/20 02:00	45.8	↑2.1
4/20 02:10	48.4	↑2.6
4/20 02:20	51.3	↑2.9
4/20 02:30	54.7	↑3.4
4/20 02:40	58.4	↑3.7
4/20 02:50	62.5	↑4.1
4/20 03:00	66.9	↑4.4
4/20 03:10	71.6	↑4.7
4/20 03:20	76.6	↑5.0
4/20 03:30	81.8	↑5.2
4/20 03:40	87.2	↑5.4
4/20 03:50	92.7	↑5.5
4/20 04:00	98.4	↑5.7
4/20 04:10	104.2	↑5.8
4/20 04:20	110.0	↑5.8
4/20 04:30	115.8	↑5.8
4/20 04:40	121.6	↑5.8
4/20 04:50	127.3	↑5.7
4/20 05:00	132.9	↑5.6
4/20 05:10	138.4	↑5.5
4/20 05:20	143.6	↑5.2
4/20 05:30	148.6	↑5.0
4/20 05:40	153.4	↑4.8
4/20 05:50	157.8	↑4.4
4/20 06:00	162.0	↑4.2
4/20 06:10	165.7	↑3.7
4/20 06:20	169.1	↑3.4
4/20 06:30	172.1	↑3.0
4/20 06:40	174.6	↑2.5
4/20 06:50	176.7	↑2.1
4/20 07:00	178.3	↑1.6
4/20 07:10	179.4	↑1.1
4/20 07:20	180.0	↑0.6	満潮
4/20 07:30	180.2	↑0.2
4/20 07:40	179.9	↓-0.3
4/20 07:50	179.0	↓-0.9
4/20 08:00	177.7	↓-1.3
4/20 08:10	175.9	↓-1.8
4/20 08:20	173.6	↓-2.3
4/20 08:30	170.9	↓-2.7
4/20 08:40	167.8	↓-3.1
4/20 08:50	164.2	↓-3.6
4/20 09:00	160.3	↓-3.9
4/20 09:10	156.0	↓-4.3
4/20 09:20	151.4	↓-4.6
4/20 09:30	146.4	↓-5.0
4/20 09:40	141.3	↓-5.1
4/20 09:50	135.9	↓-5.4
4/20 10:00	130.3	↓-5.6
4/20 10:10	124.6	↓-5.7
4/20 10:20	118.7	↓-5.9
4/20 10:30	112.9	↓-5.8
4/20 10:40	107.0	↓-5.9
4/20 10:50	101.1	↓-5.9
4/20 11:00	95.3	↓-5.8
4/20 11:10	89.6	↓-5.7
4/20 11:20	84.0	↓-5.6
4/20 11:30	78.7	↓-5.3
4/20 11:40	73.5	↓-5.2
4/20 11:50	68.7	↓-4.8
4/20 12:00	64.1	↓-4.6
4/20 12:10	59.9	↓-4.2
4/20 12:20	56.1	↓-3.8
4/20 12:30	52.6	↓-3.5
4/20 12:40	49.6	↓-3.0
4/20 12:50	47.0	↓-2.6
4/20 13:00	44.9	↓-2.1
4/20 13:10	43.2	↓-1.7
4/20 13:20	42.1	↓-1.1
4/20 13:30	41.4	↓-0.7	干潮
4/20 13:40	41.3	↓-0.1
4/20 13:50	41.6	↑0.3
4/20 14:00	42.5	↑0.9
4/20 14:10	43.9	↑1.4
4/20 14:20	45.8	↑1.9
4/20 14:30	48.1	↑2.3
4/20 14:40	50.9	↑2.8
4/20 14:50	54.1	↑3.2
4/20 15:00	57.8	↑3.7
4/20 15:10	61.9	↑4.1
4/20 15:20	66.3	↑4.4
4/20 15:30	71.0	↑4.7
4/20 15:40	76.1	↑5.1
4/20 15:50	81.4	↑5.3
4/20 16:00	86.9	↑5.5
4/20 16:10	92.6	↑5.7
4/20 16:20	98.4	↑5.8
4/20 16:30	104.4	↑6.0
4/20 16:40	110.4	↑6.0
4/20 16:50	116.4	↑6.0
4/20 17:00	122.3	↑5.9
4/20 17:10	128.2	↑5.9
4/20 17:20	133.9	↑5.7
4/20 17:30	139.5	↑5.6
4/20 17:40	144.9	↑5.4
4/20 17:50	150.0	↑5.1
4/20 18:00	154.8	↑4.8
4/20 18:10	159.3	↑4.5
4/20 18:20	163.4	↑4.1
4/20 18:30	167.2	↑3.8
4/20 18:40	170.5	↑3.3
4/20 18:50	173.4	↑2.9
4/20 19:00	175.8	↑2.4
4/20 19:10	177.7	↑1.9
4/20 19:20	179.0	↑1.3
4/20 19:30	179.9	↑0.9
4/20 19:40	180.3	↑0.4	満潮
4/20 19:50	180.1	↓-0.2
4/20 20:00	179.4	↓-0.7
4/20 20:10	178.1	↓-1.3
4/20 20:20	176.3	↓-1.8
4/20 20:30	174.1	↓-2.2
4/20 20:40	171.3	↓-2.8
4/20 20:50	168.0	↓-3.3
4/20 21:00	164.3	↓-3.7
4/20 21:10	160.1	↓-4.2
4/20 21:20	155.6	↓-4.5
4/20 21:30	150.6	↓-5.0
4/20 21:40	145.4	↓-5.2
4/20 21:50	139.8	↓-5.6
4/20 22:00	134.0	↓-5.8
4/20 22:10	127.9	↓-6.1
4/20 22:20	121.7	↓-6.2
4/20 22:30	115.4	↓-6.3
4/20 22:40	108.9	↓-6.5	最大潮位差
4/20 22:50	102.4	↓-6.5	最大潮位差
4/20 23:00	96.0	↓-6.4
4/20 23:10	89.5	↓-6.5	最大潮位差
4/20 23:20	83.2	↓-6.3
4/20 23:30	77.1	↓-6.1
4/20 23:40	71.1	↓-6.0
4/20 23:50	65.4	↓-5.7