20 (木)	06:33	00:31	19:09	12:54
	209cm	43cm	205cm	14cm
大潮 出 06:02 入 18:56 出 05:59 入 19:05 潮干狩り ◎ 11:12～14:33

石川（沖縄）2023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	44.8	↓-2.1
4/20 00:10	43.4	↓-1.4
4/20 00:20	42.5	↓-0.9
4/20 00:30	42.2	↓-0.3	干潮
4/20 00:40	42.5	↑0.3
4/20 00:50	43.4	↑0.9
4/20 01:00	45.0	↑1.6
4/20 01:10	47.1	↑2.1
4/20 01:20	49.7	↑2.6
4/20 01:30	53.0	↑3.3
4/20 01:40	56.7	↑3.7
4/20 01:50	61.0	↑4.3
4/20 02:00	65.8	↑4.8
4/20 02:10	71.0	↑5.2
4/20 02:20	76.7	↑5.7
4/20 02:30	82.7	↑6.0
4/20 02:40	89.0	↑6.3
4/20 02:50	95.6	↑6.6
4/20 03:00	102.4	↑6.8
4/20 03:10	109.4	↑7.0
4/20 03:20	116.6	↑7.2
4/20 03:30	123.8	↑7.2
4/20 03:40	131.0	↑7.2
4/20 03:50	138.2	↑7.2
4/20 04:00	145.2	↑7.0
4/20 04:10	152.2	↑7.0
4/20 04:20	158.9	↑6.7
4/20 04:30	165.4	↑6.5
4/20 04:40	171.6	↑6.2
4/20 04:50	177.4	↑5.8
4/20 05:00	182.8	↑5.4
4/20 05:10	187.8	↑5.0
4/20 05:20	192.4	↑4.6
4/20 05:30	196.4	↑4.0
4/20 05:40	199.8	↑3.4
4/20 05:50	202.8	↑3.0
4/20 06:00	205.1	↑2.3
4/20 06:10	206.8	↑1.7
4/20 06:20	207.8	↑1.0
4/20 06:30	208.2	↑0.4	満潮
4/20 06:40	208.0	↓-0.2
4/20 06:50	207.1	↓-0.9
4/20 07:00	205.6	↓-1.5
4/20 07:10	203.4	↓-2.2
4/20 07:20	200.6	↓-2.8
4/20 07:30	197.2	↓-3.4
4/20 07:40	193.2	↓-4.0
4/20 07:50	188.6	↓-4.6
4/20 08:00	183.5	↓-5.1
4/20 08:10	177.9	↓-5.6
4/20 08:20	171.8	↓-6.1
4/20 08:30	165.3	↓-6.5
4/20 08:40	158.5	↓-6.8
4/20 08:50	151.3	↓-7.2
4/20 09:00	143.8	↓-7.5
4/20 09:10	136.1	↓-7.7
4/20 09:20	128.2	↓-7.9
4/20 09:30	120.3	↓-7.9
4/20 09:40	112.2	↓-8.1	最大潮位差
4/20 09:50	104.2	↓-8.0
4/20 10:00	96.2	↓-8.0
4/20 10:10	88.3	↓-7.9
4/20 10:20	80.5	↓-7.8
4/20 10:30	73.0	↓-7.5
4/20 10:40	65.8	↓-7.2
4/20 10:50	58.8	↓-7.0
4/20 11:00	52.2	↓-6.6
4/20 11:10	46.0	↓-6.2
4/20 11:20	40.2	↓-5.8
4/20 11:30	34.9	↓-5.3
4/20 11:40	30.1	↓-4.8
4/20 11:50	25.9	↓-4.2
4/20 12:00	22.2	↓-3.7
4/20 12:10	19.1	↓-3.1
4/20 12:20	16.6	↓-2.5
4/20 12:30	14.8	↓-1.8
4/20 12:40	13.7	↓-1.1
4/20 12:50	13.2	↓-0.5	干潮
4/20 13:00	13.3	↑0.1
4/20 13:10	14.2	↑0.9
4/20 13:20	15.7	↑1.5
4/20 13:30	17.8	↑2.1
4/20 13:40	20.6	↑2.8
4/20 13:50	24.0	↑3.4
4/20 14:00	28.1	↑4.1
4/20 14:10	32.7	↑4.6
4/20 14:20	37.8	↑5.1
4/20 14:30	43.5	↑5.7
4/20 14:40	49.6	↑6.1
4/20 14:50	56.1	↑6.5
4/20 15:00	63.0	↑6.9
4/20 15:10	70.2	↑7.2
4/20 15:20	77.7	↑7.5
4/20 15:30	85.4	↑7.7
4/20 15:40	93.3	↑7.9
4/20 15:50	101.3	↑8.0
4/20 16:00	109.3	↑8.0
4/20 16:10	117.3	↑8.0
4/20 16:20	125.2	↑7.9
4/20 16:30	133.0	↑7.8
4/20 16:40	140.7	↑7.7
4/20 16:50	148.1	↑7.4
4/20 17:00	155.2	↑7.1
4/20 17:10	162.0	↑6.8
4/20 17:20	168.4	↑6.4
4/20 17:30	174.3	↑5.9
4/20 17:40	179.9	↑5.6
4/20 17:50	184.9	↑5.0
4/20 18:00	189.4	↑4.5
4/20 18:10	193.3	↑3.9
4/20 18:20	196.7	↑3.4
4/20 18:30	199.4	↑2.7
4/20 18:40	201.5	↑2.1
4/20 18:50	203.0	↑1.5
4/20 19:00	203.9	↑0.9	満潮
4/20 19:10	204.1	↑0.2
4/20 19:20	203.7	↓-0.4
4/20 19:30	202.6	↓-1.1
4/20 19:40	200.9	↓-1.7
4/20 19:50	198.7	↓-2.2
4/20 20:00	195.8	↓-2.9
4/20 20:10	192.4	↓-3.4
4/20 20:20	188.5	↓-3.9
4/20 20:30	184.1	↓-4.4
4/20 20:40	179.3	↓-4.8
4/20 20:50	174.0	↓-5.3
4/20 21:00	168.4	↓-5.6
4/20 21:10	162.5	↓-5.9
4/20 21:20	156.3	↓-6.2
4/20 21:30	149.9	↓-6.4
4/20 21:40	143.3	↓-6.6
4/20 21:50	136.6	↓-6.7
4/20 22:00	129.9	↓-6.7
4/20 22:10	123.2	↓-6.7
4/20 22:20	116.5	↓-6.7
4/20 22:30	109.9	↓-6.6
4/20 22:40	103.4	↓-6.5
4/20 22:50	97.2	↓-6.2
4/20 23:00	91.2	↓-6.0
4/20 23:10	85.4	↓-5.8
4/20 23:20	80.0	↓-5.4
4/20 23:30	75.0	↓-5.0
4/20 23:40	70.4	↓-4.6
4/20 23:50	66.2	↓-4.2