31 (木)	10:12	03:39	21:43	16:15
	361cm	10cm	313cm	110cm
大潮 出 07:21 入 17:20 出 18:19 入 08:12

苅田（福岡）2020年12月31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
12/31 00:00	179.3	↓-11.9
12/31 00:10	167.4	↓-11.9
12/31 00:20	155.5	↓-11.9
12/31 00:30	143.9	↓-11.6
12/31 00:40	132.4	↓-11.5
12/31 00:50	121.2	↓-11.2
12/31 01:00	110.4	↓-10.8
12/31 01:10	99.9	↓-10.5
12/31 01:20	89.8	↓-10.1
12/31 01:30	80.1	↓-9.7
12/31 01:40	70.9	↓-9.2
12/31 01:50	62.1	↓-8.8
12/31 02:00	53.8	↓-8.3
12/31 02:10	46.1	↓-7.7
12/31 02:20	39.0	↓-7.1
12/31 02:30	32.4	↓-6.6
12/31 02:40	26.6	↓-5.8
12/31 02:50	21.5	↓-5.1
12/31 03:00	17.2	↓-4.3
12/31 03:10	13.8	↓-3.4
12/31 03:20	11.4	↓-2.4
12/31 03:30	10.0	↓-1.4	干潮
12/31 03:40	9.7	↓-0.3
12/31 03:50	10.6	↑0.9
12/31 04:00	12.6	↑2.0
12/31 04:10	15.9	↑3.3
12/31 04:20	20.3	↑4.4
12/31 04:30	26.0	↑5.7
12/31 04:40	32.9	↑6.9
12/31 04:50	40.9	↑8.0
12/31 05:00	50.0	↑9.1
12/31 05:10	60.1	↑10.1
12/31 05:20	71.1	↑11.0
12/31 05:30	82.9	↑11.8
12/31 05:40	95.3	↑12.4
12/31 05:50	108.3	↑13.0
12/31 06:00	121.6	↑13.3
12/31 06:10	135.3	↑13.7
12/31 06:20	149.2	↑13.9
12/31 06:30	163.2	↑14.0	最大潮位差
12/31 06:40	177.1	↑13.9
12/31 06:50	190.9	↑13.8
12/31 07:00	204.5	↑13.6
12/31 07:10	217.8	↑13.3
12/31 07:20	230.9	↑13.1
12/31 07:30	243.5	↑12.6
12/31 07:40	255.8	↑12.3
12/31 07:50	267.6	↑11.8
12/31 08:00	278.9	↑11.3
12/31 08:10	289.7	↑10.8
12/31 08:20	299.9	↑10.2
12/31 08:30	309.5	↑9.6
12/31 08:40	318.5	↑9.0
12/31 08:50	326.7	↑8.2
12/31 09:00	334.2	↑7.5
12/31 09:10	340.9	↑6.7
12/31 09:20	346.7	↑5.8
12/31 09:30	351.6	↑4.9
12/31 09:40	355.4	↑3.8
12/31 09:50	358.3	↑2.9
12/31 10:00	360.0	↑1.7
12/31 10:10	360.6	↑0.6	満潮
12/31 10:20	360.1	↓-0.5
12/31 10:30	358.5	↓-1.6
12/31 10:40	355.8	↓-2.7
12/31 10:50	352.0	↓-3.8
12/31 11:00	347.1	↓-4.9
12/31 11:10	341.3	↓-5.8
12/31 11:20	334.6	↓-6.7
12/31 11:30	327.1	↓-7.5
12/31 11:40	318.8	↓-8.3
12/31 11:50	310.0	↓-8.8
12/31 12:00	300.7	↓-9.3
12/31 12:10	291.0	↓-9.7
12/31 12:20	281.0	↓-10.0
12/31 12:30	270.9	↓-10.1
12/31 12:40	260.6	↓-10.3
12/31 12:50	250.3	↓-10.3
12/31 13:00	240.0	↓-10.3
12/31 13:10	229.8	↓-10.2
12/31 13:20	219.8	↓-10.0
12/31 13:30	209.9	↓-9.9
12/31 13:40	200.3	↓-9.6
12/31 13:50	190.9	↓-9.4
12/31 14:00	181.9	↓-9.0
12/31 14:10	173.1	↓-8.8
12/31 14:20	164.6	↓-8.5
12/31 14:30	156.6	↓-8.0
12/31 14:40	149.0	↓-7.6
12/31 14:50	141.8	↓-7.2
12/31 15:00	135.3	↓-6.5
12/31 15:10	129.3	↓-6.0
12/31 15:20	124.0	↓-5.3
12/31 15:30	119.4	↓-4.6
12/31 15:40	115.6	↓-3.8
12/31 15:50	112.8	↓-2.8
12/31 16:00	110.9	↓-1.9
12/31 16:10	110.0	↓-0.9	干潮
12/31 16:20	110.2	↑0.2
12/31 16:30	111.4	↑1.2
12/31 16:40	113.7	↑2.3
12/31 16:50	117.1	↑3.4
12/31 17:00	121.5	↑4.4
12/31 17:10	126.9	↑5.4
12/31 17:20	133.2	↑6.3
12/31 17:30	140.4	↑7.2
12/31 17:40	148.3	↑7.9
12/31 17:50	156.8	↑8.5
12/31 18:00	165.8	↑9.0
12/31 18:10	175.2	↑9.4
12/31 18:20	184.9	↑9.7
12/31 18:30	194.7	↑9.8
12/31 18:40	204.6	↑9.9
12/31 18:50	214.4	↑9.8
12/31 19:00	224.0	↑9.6
12/31 19:10	233.3	↑9.3
12/31 19:20	242.3	↑9.0
12/31 19:30	250.9	↑8.6
12/31 19:40	259.1	↑8.2
12/31 19:50	266.8	↑7.7
12/31 20:00	274.0	↑7.2
12/31 20:10	280.7	↑6.7
12/31 20:20	286.8	↑6.1
12/31 20:30	292.4	↑5.6
12/31 20:40	297.3	↑4.9
12/31 20:50	301.6	↑4.3
12/31 21:00	305.3	↑3.7
12/31 21:10	308.2	↑2.9
12/31 21:20	310.4	↑2.2
12/31 21:30	311.9	↑1.5
12/31 21:40	312.5	↑0.6	満潮
12/31 21:50	312.2	↓-0.3
12/31 22:00	311.1	↓-1.1
12/31 22:10	309.0	↓-2.1
12/31 22:20	305.9	↓-3.1
12/31 22:30	301.9	↓-4.0
12/31 22:40	296.8	↓-5.1
12/31 22:50	290.8	↓-6.0
12/31 23:00	283.8	↓-7.0
12/31 23:10	276.0	↓-7.8
12/31 23:20	267.2	↓-8.8
12/31 23:30	257.7	↓-9.5
12/31 23:40	247.5	↓-10.2
12/31 23:50	236.7	↓-10.8