20 (月)	11:34	05:32	-	17:58
	117cm	29cm	-	18cm
中潮 出 05:45 入 18:59 出 08:56 入 23:20

大河内湾（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	116.6	↓-0.8
4/20 00:10	115.5	↓-1.1
4/20 00:20	114.1	↓-1.4
4/20 00:30	112.4	↓-1.7
4/20 00:40	110.3	↓-2.1
4/20 00:50	107.9	↓-2.4
4/20 01:00	105.3	↓-2.6
4/20 01:10	102.5	↓-2.8
4/20 01:20	99.4	↓-3.1
4/20 01:30	96.1	↓-3.3
4/20 01:40	92.6	↓-3.5
4/20 01:50	89.0	↓-3.6
4/20 02:00	85.3	↓-3.7
4/20 02:10	81.5	↓-3.8
4/20 02:20	77.6	↓-3.9
4/20 02:30	73.7	↓-3.9
4/20 02:40	69.8	↓-3.9
4/20 02:50	66.0	↓-3.8
4/20 03:00	62.1	↓-3.9
4/20 03:10	58.4	↓-3.7
4/20 03:20	54.8	↓-3.6
4/20 03:30	51.4	↓-3.4
4/20 03:40	48.1	↓-3.3
4/20 03:50	45.0	↓-3.1
4/20 04:00	42.1	↓-2.9
4/20 04:10	39.5	↓-2.6
4/20 04:20	37.1	↓-2.4
4/20 04:30	35.0	↓-2.1
4/20 04:40	33.2	↓-1.8
4/20 04:50	31.7	↓-1.5
4/20 05:00	30.6	↓-1.1
4/20 05:10	29.7	↓-0.9
4/20 05:20	29.2	↓-0.5
4/20 05:30	29.0	↓-0.2	干潮
4/20 05:40	29.1	↑0.1
4/20 05:50	29.6	↑0.5
4/20 06:00	30.3	↑0.7
4/20 06:10	31.5	↑1.2
4/20 06:20	32.9	↑1.4
4/20 06:30	34.6	↑1.7
4/20 06:40	36.6	↑2.0
4/20 06:50	38.9	↑2.3
4/20 07:00	41.4	↑2.5
4/20 07:10	44.2	↑2.8
4/20 07:20	47.2	↑3.0
4/20 07:30	50.4	↑3.2
4/20 07:40	53.7	↑3.3
4/20 07:50	57.2	↑3.5
4/20 08:00	60.8	↑3.6
4/20 08:10	64.5	↑3.7
4/20 08:20	68.3	↑3.8
4/20 08:30	72.1	↑3.8
4/20 08:40	75.8	↑3.7
4/20 08:50	79.6	↑3.8
4/20 09:00	83.3	↑3.7
4/20 09:10	87.0	↑3.7
4/20 09:20	90.5	↑3.5
4/20 09:30	93.9	↑3.4
4/20 09:40	97.1	↑3.2
4/20 09:50	100.2	↑3.1
4/20 10:00	103.0	↑2.8
4/20 10:10	105.6	↑2.6
4/20 10:20	108.0	↑2.4
4/20 10:30	110.1	↑2.1
4/20 10:40	111.9	↑1.8
4/20 10:50	113.5	↑1.6
4/20 11:00	114.7	↑1.2
4/20 11:10	115.6	↑0.9
4/20 11:20	116.2	↑0.6
4/20 11:30	116.4	↑0.2	満潮
4/20 11:40	116.3	↓-0.1
4/20 11:50	115.9	↓-0.4
4/20 12:00	115.2	↓-0.7
4/20 12:10	114.1	↓-1.1
4/20 12:20	112.7	↓-1.4
4/20 12:30	111.0	↓-1.7
4/20 12:40	109.0	↓-2.0
4/20 12:50	106.7	↓-2.3
4/20 13:00	104.2	↓-2.5
4/20 13:10	101.4	↓-2.8
4/20 13:20	98.4	↓-3.0
4/20 13:30	95.1	↓-3.3
4/20 13:40	91.7	↓-3.4
4/20 13:50	88.0	↓-3.7
4/20 14:00	84.3	↓-3.7
4/20 14:10	80.4	↓-3.9
4/20 14:20	76.5	↓-3.9
4/20 14:30	72.4	↓-4.1	最大潮位差
4/20 14:40	68.4	↓-4.0
4/20 14:50	64.3	↓-4.1	最大潮位差
4/20 15:00	60.2	↓-4.1	最大潮位差
4/20 15:10	56.2	↓-4.0
4/20 15:20	52.3	↓-3.9
4/20 15:30	48.5	↓-3.8
4/20 15:40	44.7	↓-3.8
4/20 15:50	41.2	↓-3.5
4/20 16:00	37.8	↓-3.4
4/20 16:10	34.6	↓-3.2
4/20 16:20	31.6	↓-3.0
4/20 16:30	28.9	↓-2.7
4/20 16:40	26.4	↓-2.5
4/20 16:50	24.1	↓-2.3
4/20 17:00	22.2	↓-1.9
4/20 17:10	20.6	↓-1.6
4/20 17:20	19.2	↓-1.4
4/20 17:30	18.2	↓-1.0
4/20 17:40	17.5	↓-0.7
4/20 17:50	17.1	↓-0.4	干潮
4/20 18:00	17.0	↓-0.1
4/20 18:10	17.3	↑0.3
4/20 18:20	17.9	↑0.6
4/20 18:30	18.8	↑0.9
4/20 18:40	20.0	↑1.2
4/20 18:50	21.5	↑1.5
4/20 19:00	23.2	↑1.7
4/20 19:10	25.3	↑2.1
4/20 19:20	27.6	↑2.3
4/20 19:30	30.1	↑2.5
4/20 19:40	32.9	↑2.8
4/20 19:50	35.8	↑2.9
4/20 20:00	39.0	↑3.2
4/20 20:10	42.3	↑3.3
4/20 20:20	45.7	↑3.4
4/20 20:30	49.2	↑3.5
4/20 20:40	52.8	↑3.6
4/20 20:50	56.5	↑3.7
4/20 21:00	60.2	↑3.7
4/20 21:10	63.9	↑3.7
4/20 21:20	67.6	↑3.7
4/20 21:30	71.3	↑3.7
4/20 21:40	74.9	↑3.6
4/20 21:50	78.4	↑3.5
4/20 22:00	81.7	↑3.3
4/20 22:10	85.0	↑3.3
4/20 22:20	88.1	↑3.1
4/20 22:30	91.0	↑2.9
4/20 22:40	93.7	↑2.7
4/20 22:50	96.2	↑2.5
4/20 23:00	98.4	↑2.2
4/20 23:10	100.5	↑2.1
4/20 23:20	102.2	↑1.7
4/20 23:30	103.8	↑1.6
4/20 23:40	105.0	↑1.2
4/20 23:50	106.0	↑1.0