20 (月)	11:50	05:56	-	18:13
	178cm	52cm	-	25cm
中潮 出 05:46 入 18:59 出 08:57 入 23:20 潮干狩り ○ 16:40～18:59

竹敷（長崎）2037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	189.3	↑0.1
4/20 00:10	188.8	↓-0.5
4/20 00:20	187.8	↓-1.0
4/20 00:30	186.3	↓-1.5
4/20 00:40	184.2	↓-2.1
4/20 00:50	181.6	↓-2.6
4/20 01:00	178.5	↓-3.1
4/20 01:10	175.0	↓-3.5
4/20 01:20	171.1	↓-3.9
4/20 01:30	166.8	↓-4.3
4/20 01:40	162.1	↓-4.7
4/20 01:50	157.1	↓-5.0
4/20 02:00	151.8	↓-5.3
4/20 02:10	146.3	↓-5.5
4/20 02:20	140.6	↓-5.7
4/20 02:30	134.7	↓-5.9
4/20 02:40	128.7	↓-6.0
4/20 02:50	122.7	↓-6.0
4/20 03:00	116.7	↓-6.0
4/20 03:10	110.7	↓-6.0
4/20 03:20	104.8	↓-5.9
4/20 03:30	99.0	↓-5.8
4/20 03:40	93.4	↓-5.6
4/20 03:50	87.9	↓-5.5
4/20 04:00	82.8	↓-5.1
4/20 04:10	77.9	↓-4.9
4/20 04:20	73.4	↓-4.5
4/20 04:30	69.2	↓-4.2
4/20 04:40	65.4	↓-3.8
4/20 04:50	62.0	↓-3.4
4/20 05:00	59.0	↓-3.0
4/20 05:10	56.5	↓-2.5
4/20 05:20	54.5	↓-2.0
4/20 05:30	52.9	↓-1.6
4/20 05:40	51.9	↓-1.0
4/20 05:50	51.4	↓-0.5	干潮
4/20 06:00	51.4	0
4/20 06:10	51.8	↑0.4
4/20 06:20	52.8	↑1.0
4/20 06:30	54.3	↑1.5
4/20 06:40	56.2	↑1.9
4/20 06:50	58.6	↑2.4
4/20 07:00	61.5	↑2.9
4/20 07:10	64.7	↑3.2
4/20 07:20	68.4	↑3.7
4/20 07:30	72.4	↑4.0
4/20 07:40	76.7	↑4.3
4/20 07:50	81.4	↑4.7
4/20 08:00	86.3	↑4.9
4/20 08:10	91.4	↑5.1
4/20 08:20	96.7	↑5.3
4/20 08:30	102.1	↑5.4
4/20 08:40	107.6	↑5.5
4/20 08:50	113.2	↑5.6
4/20 09:00	118.8	↑5.6
4/20 09:10	124.4	↑5.6
4/20 09:20	129.8	↑5.4
4/20 09:30	135.2	↑5.4
4/20 09:40	140.4	↑5.2
4/20 09:50	145.4	↑5.0
4/20 10:00	150.2	↑4.8
4/20 10:10	154.6	↑4.4
4/20 10:20	158.8	↑4.2
4/20 10:30	162.6	↑3.8
4/20 10:40	166.1	↑3.5
4/20 10:50	169.1	↑3.0
4/20 11:00	171.7	↑2.6
4/20 11:10	173.9	↑2.2
4/20 11:20	175.6	↑1.7
4/20 11:30	176.8	↑1.2
4/20 11:40	177.5	↑0.7	満潮
4/20 11:50	177.7	↑0.2	満潮
4/20 12:00	177.4	↓-0.3
4/20 12:10	176.6	↓-0.8
4/20 12:20	175.3	↓-1.3
4/20 12:30	173.5	↓-1.8
4/20 12:40	171.3	↓-2.2
4/20 12:50	168.5	↓-2.8
4/20 13:00	165.3	↓-3.2
4/20 13:10	161.7	↓-3.6
4/20 13:20	157.6	↓-4.1
4/20 13:30	153.2	↓-4.4
4/20 13:40	148.4	↓-4.8
4/20 13:50	143.3	↓-5.1
4/20 14:00	138.0	↓-5.3
4/20 14:10	132.3	↓-5.7
4/20 14:20	126.5	↓-5.8
4/20 14:30	120.5	↓-6.0
4/20 14:40	114.3	↓-6.2
4/20 14:50	108.1	↓-6.2
4/20 15:00	101.8	↓-6.3	最大潮位差
4/20 15:10	95.5	↓-6.3	最大潮位差
4/20 15:20	89.2	↓-6.3	最大潮位差
4/20 15:30	83.1	↓-6.1
4/20 15:40	77.0	↓-6.1
4/20 15:50	71.1	↓-5.9
4/20 16:00	65.5	↓-5.6
4/20 16:10	60.0	↓-5.5
4/20 16:20	54.9	↓-5.1
4/20 16:30	50.0	↓-4.9
4/20 16:40	45.5	↓-4.5
4/20 16:50	41.4	↓-4.1
4/20 17:00	37.7	↓-3.7
4/20 17:10	34.4	↓-3.3
4/20 17:20	31.5	↓-2.9
4/20 17:30	29.2	↓-2.3
4/20 17:40	27.3	↓-1.9
4/20 17:50	25.9	↓-1.4
4/20 18:00	25.0	↓-0.9
4/20 18:10	24.6	↓-0.4	干潮
4/20 18:20	24.8	↑0.2
4/20 18:30	25.4	↑0.6
4/20 18:40	26.6	↑1.2
4/20 18:50	28.2	↑1.6
4/20 19:00	30.3	↑2.1
4/20 19:10	32.9	↑2.6
4/20 19:20	35.9	↑3.0
4/20 19:30	39.4	↑3.5
4/20 19:40	43.3	↑3.9
4/20 19:50	47.5	↑4.2
4/20 20:00	52.1	↑4.6
4/20 20:10	57.0	↑4.9
4/20 20:20	62.1	↑5.1
4/20 20:30	67.6	↑5.5
4/20 20:40	73.2	↑5.6
4/20 20:50	79.0	↑5.8
4/20 21:00	84.9	↑5.9
4/20 21:10	90.9	↑6.0
4/20 21:20	96.9	↑6.0
4/20 21:30	103.0	↑6.1
4/20 21:40	109.0	↑6.0
4/20 21:50	115.0	↑6.0
4/20 22:00	120.8	↑5.8
4/20 22:10	126.5	↑5.7
4/20 22:20	132.1	↑5.6
4/20 22:30	137.3	↑5.2
4/20 22:40	142.4	↑5.1
4/20 22:50	147.1	↑4.7
4/20 23:00	151.6	↑4.5
4/20 23:10	155.7	↑4.1
4/20 23:20	159.4	↑3.7
4/20 23:30	162.7	↑3.3
4/20 23:40	165.7	↑3.0
4/20 23:50	168.2	↑2.5