20 (木)	07:35	01:10	19:20	13:20
	137cm	57cm	143cm	61cm
若潮 出 05:42 入 18:54 出 03:04 入 14:48

博多船溜り（福岡）2028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	61.5	↓-1.5
4/20 00:10	60.2	↓-1.3
4/20 00:20	59.1	↓-1.1
4/20 00:30	58.2	↓-0.9
4/20 00:40	57.5	↓-0.7
4/20 00:50	56.9	↓-0.6
4/20 01:00	56.7	↓-0.2	干潮
4/20 01:10	56.6	↓-0.1	干潮
4/20 01:20	56.7	↑0.1
4/20 01:30	57.1	↑0.4
4/20 01:40	57.7	↑0.6
4/20 01:50	58.5	↑0.8
4/20 02:00	59.5	↑1.0
4/20 02:10	60.7	↑1.2
4/20 02:20	62.2	↑1.5
4/20 02:30	63.8	↑1.6
4/20 02:40	65.7	↑1.9
4/20 02:50	67.7	↑2.0
4/20 03:00	70.0	↑2.3
4/20 03:10	72.4	↑2.4
4/20 03:20	75.0	↑2.6
4/20 03:30	77.7	↑2.7
4/20 03:40	80.6	↑2.9
4/20 03:50	83.6	↑3.0
4/20 04:00	86.6	↑3.0
4/20 04:10	89.8	↑3.2
4/20 04:20	93.0	↑3.2
4/20 04:30	96.3	↑3.3
4/20 04:40	99.6	↑3.3
4/20 04:50	102.9	↑3.3
4/20 05:00	106.2	↑3.3
4/20 05:10	109.4	↑3.2
4/20 05:20	112.5	↑3.1
4/20 05:30	115.6	↑3.1
4/20 05:40	118.5	↑2.9
4/20 05:50	121.3	↑2.8
4/20 06:00	124.0	↑2.7
4/20 06:10	126.4	↑2.4
4/20 06:20	128.6	↑2.2
4/20 06:30	130.7	↑2.1
4/20 06:40	132.4	↑1.7
4/20 06:50	133.9	↑1.5
4/20 07:00	135.1	↑1.2
4/20 07:10	136.0	↑0.9
4/20 07:20	136.6	↑0.6
4/20 07:30	136.9	↑0.3	満潮
4/20 07:40	136.9	0
4/20 07:50	136.5	↓-0.4
4/20 08:00	135.8	↓-0.7
4/20 08:10	134.8	↓-1.0
4/20 08:20	133.4	↓-1.4
4/20 08:30	131.8	↓-1.6
4/20 08:40	129.9	↓-1.9
4/20 08:50	127.7	↓-2.2
4/20 09:00	125.2	↓-2.5
4/20 09:10	122.5	↓-2.7
4/20 09:20	119.7	↓-2.8
4/20 09:30	116.6	↓-3.1
4/20 09:40	113.4	↓-3.2
4/20 09:50	110.1	↓-3.3
4/20 10:00	106.7	↓-3.4
4/20 10:10	103.3	↓-3.4
4/20 10:20	99.8	↓-3.5
4/20 10:30	96.3	↓-3.5
4/20 10:40	92.9	↓-3.4
4/20 10:50	89.5	↓-3.4
4/20 11:00	86.3	↓-3.2
4/20 11:10	83.1	↓-3.2
4/20 11:20	80.1	↓-3.0
4/20 11:30	77.2	↓-2.9
4/20 11:40	74.5	↓-2.7
4/20 11:50	72.1	↓-2.4
4/20 12:00	69.8	↓-2.3
4/20 12:10	67.8	↓-2.0
4/20 12:20	66.0	↓-1.8
4/20 12:30	64.4	↓-1.6
4/20 12:40	63.2	↓-1.2
4/20 12:50	62.2	↓-1.0
4/20 13:00	61.5	↓-0.7
4/20 13:10	61.1	↓-0.4	干潮
4/20 13:20	60.9	↓-0.2	干潮
4/20 13:30	61.1	↑0.2
4/20 13:40	61.6	↑0.5
4/20 13:50	62.3	↑0.7
4/20 14:00	63.4	↑1.1
4/20 14:10	64.7	↑1.3
4/20 14:20	66.3	↑1.6
4/20 14:30	68.2	↑1.9
4/20 14:40	70.3	↑2.1
4/20 14:50	72.6	↑2.3
4/20 15:00	75.2	↑2.6
4/20 15:10	78.0	↑2.8
4/20 15:20	80.9	↑2.9
4/20 15:30	84.0	↑3.1
4/20 15:40	87.3	↑3.3
4/20 15:50	90.6	↑3.3
4/20 16:00	94.1	↑3.5
4/20 16:10	97.6	↑3.5
4/20 16:20	101.1	↑3.5
4/20 16:30	104.7	↑3.6
4/20 16:40	108.2	↑3.5
4/20 16:50	111.7	↑3.5
4/20 17:00	115.1	↑3.4
4/20 17:10	118.4	↑3.3
4/20 17:20	121.6	↑3.2
4/20 17:30	124.6	↑3.0
4/20 17:40	127.5	↑2.9
4/20 17:50	130.1	↑2.6
4/20 18:00	132.6	↑2.5
4/20 18:10	134.8	↑2.2
4/20 18:20	136.7	↑1.9
4/20 18:30	138.4	↑1.7
4/20 18:40	139.8	↑1.4
4/20 18:50	140.9	↑1.1
4/20 19:00	141.7	↑0.8
4/20 19:10	142.1	↑0.4	満潮
4/20 19:20	142.2	↑0.1	満潮
4/20 19:30	142.0	↓-0.2
4/20 19:40	141.5	↓-0.5
4/20 19:50	140.6	↓-0.9
4/20 20:00	139.4	↓-1.2
4/20 20:10	137.8	↓-1.6
4/20 20:20	136.0	↓-1.8
4/20 20:30	133.8	↓-2.2
4/20 20:40	131.4	↓-2.4
4/20 20:50	128.7	↓-2.7
4/20 21:00	125.8	↓-2.9
4/20 21:10	122.6	↓-3.2
4/20 21:20	119.3	↓-3.3
4/20 21:30	115.8	↓-3.5
4/20 21:40	112.2	↓-3.6
4/20 21:50	108.5	↓-3.7
4/20 22:00	104.8	↓-3.7
4/20 22:10	101.0	↓-3.8	最大潮位差
4/20 22:20	97.2	↓-3.8	最大潮位差
4/20 22:30	93.4	↓-3.8	最大潮位差
4/20 22:40	89.6	↓-3.8	最大潮位差
4/20 22:50	86.0	↓-3.6
4/20 23:00	82.4	↓-3.6
4/20 23:10	79.0	↓-3.4
4/20 23:20	75.7	↓-3.3
4/20 23:30	72.6	↓-3.1
4/20 23:40	69.7	↓-2.9
4/20 23:50	66.9	↓-2.8