22 (金)	05:04	11:40	18:13	23:44
	130cm	4cm	120cm	49cm
中潮 出 05:40 入 17:52 出 21:00 入 06:42 潮干狩り ◎ 09:30～13:50

日立（茨城）2030年03月22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
3/22 00:00	41.5	↑1.4
3/22 00:10	43.2	↑1.7
3/22 00:20	45.3	↑2.1
3/22 00:30	47.7	↑2.4
3/22 00:40	50.3	↑2.6
3/22 00:50	53.3	↑3.0
3/22 01:00	56.5	↑3.2
3/22 01:10	59.9	↑3.4
3/22 01:20	63.5	↑3.6
3/22 01:30	67.3	↑3.8
3/22 01:40	71.3	↑4.0
3/22 01:50	75.3	↑4.0
3/22 02:00	79.5	↑4.2
3/22 02:10	83.7	↑4.2
3/22 02:20	87.8	↑4.1
3/22 02:30	92.0	↑4.2
3/22 02:40	96.1	↑4.1
3/22 02:50	100.0	↑3.9
3/22 03:00	103.8	↑3.8
3/22 03:10	107.5	↑3.7
3/22 03:20	110.9	↑3.4
3/22 03:30	114.1	↑3.2
3/22 03:40	117.1	↑3.0
3/22 03:50	119.8	↑2.7
3/22 04:00	122.1	↑2.3
3/22 04:10	124.2	↑2.1
3/22 04:20	125.9	↑1.7
3/22 04:30	127.3	↑1.4
3/22 04:40	128.3	↑1.0
3/22 04:50	129.0	↑0.7
3/22 05:00	129.3	↑0.3	満潮
3/22 05:10	129.3	0
3/22 05:20	128.8	↓-0.5
3/22 05:30	128.0	↓-0.8
3/22 05:40	126.8	↓-1.2
3/22 05:50	125.3	↓-1.5
3/22 06:00	123.4	↓-1.9
3/22 06:10	121.1	↓-2.3
3/22 06:20	118.5	↓-2.6
3/22 06:30	115.5	↓-3.0
3/22 06:40	112.2	↓-3.3
3/22 06:50	108.6	↓-3.6
3/22 07:00	104.8	↓-3.8
3/22 07:10	100.6	↓-4.2
3/22 07:20	96.3	↓-4.3
3/22 07:30	91.7	↓-4.6
3/22 07:40	86.9	↓-4.8
3/22 07:50	82.1	↓-4.8
3/22 08:00	77.0	↓-5.1
3/22 08:10	72.0	↓-5.0
3/22 08:20	66.8	↓-5.2	最大潮位差
3/22 08:30	61.7	↓-5.1
3/22 08:40	56.6	↓-5.1
3/22 08:50	51.6	↓-5.0
3/22 09:00	46.7	↓-4.9
3/22 09:10	42.0	↓-4.7
3/22 09:20	37.4	↓-4.6
3/22 09:30	33.0	↓-4.4
3/22 09:40	28.8	↓-4.2
3/22 09:50	24.9	↓-3.9
3/22 10:00	21.3	↓-3.6
3/22 10:10	17.9	↓-3.4
3/22 10:20	14.9	↓-3.0
3/22 10:30	12.2	↓-2.7
3/22 10:40	9.9	↓-2.3
3/22 10:50	7.8	↓-2.1
3/22 11:00	6.2	↓-1.6
3/22 11:10	4.9	↓-1.3
3/22 11:20	4.0	↓-0.9
3/22 11:30	3.4	↓-0.6	干潮
3/22 11:40	3.3	↓-0.1	干潮
3/22 11:50	3.5	↑0.2
3/22 12:00	4.1	↑0.6
3/22 12:10	5.0	↑0.9
3/22 12:20	6.4	↑1.4
3/22 12:30	8.1	↑1.7
3/22 12:40	10.2	↑2.1
3/22 12:50	12.6	↑2.4
3/22 13:00	15.3	↑2.7
3/22 13:10	18.4	↑3.1
3/22 13:20	21.8	↑3.4
3/22 13:30	25.4	↑3.6
3/22 13:40	29.3	↑3.9
3/22 13:50	33.4	↑4.1
3/22 14:00	37.7	↑4.3
3/22 14:10	42.1	↑4.4
3/22 14:20	46.7	↑4.6
3/22 14:30	51.4	↑4.7
3/22 14:40	56.1	↑4.7
3/22 14:50	60.8	↑4.7
3/22 15:00	65.5	↑4.7
3/22 15:10	70.2	↑4.7
3/22 15:20	74.8	↑4.6
3/22 15:30	79.3	↑4.5
3/22 15:40	83.7	↑4.4
3/22 15:50	87.8	↑4.1
3/22 16:00	91.8	↑4.0
3/22 16:10	95.6	↑3.8
3/22 16:20	99.1	↑3.5
3/22 16:30	102.4	↑3.3
3/22 16:40	105.5	↑3.1
3/22 16:50	108.2	↑2.7
3/22 17:00	110.7	↑2.5
3/22 17:10	112.8	↑2.1
3/22 17:20	114.7	↑1.9
3/22 17:30	116.2	↑1.5
3/22 17:40	117.4	↑1.2
3/22 17:50	118.3	↑0.9
3/22 18:00	118.9	↑0.6
3/22 18:10	119.1	↑0.2	満潮
3/22 18:20	119.0	↓-0.1
3/22 18:30	118.5	↓-0.5
3/22 18:40	117.8	↓-0.7
3/22 18:50	116.7	↓-1.1
3/22 19:00	115.4	↓-1.3
3/22 19:10	113.7	↓-1.7
3/22 19:20	111.7	↓-2.0
3/22 19:30	109.5	↓-2.2
3/22 19:40	107.1	↓-2.4
3/22 19:50	104.5	↓-2.6
3/22 20:00	101.6	↓-2.9
3/22 20:10	98.6	↓-3.0
3/22 20:20	95.5	↓-3.1
3/22 20:30	92.2	↓-3.3
3/22 20:40	88.9	↓-3.3
3/22 20:50	85.5	↓-3.4
3/22 21:00	82.2	↓-3.3
3/22 21:10	78.8	↓-3.4
3/22 21:20	75.5	↓-3.3
3/22 21:30	72.3	↓-3.2
3/22 21:40	69.3	↓-3.0
3/22 21:50	66.3	↓-3.0
3/22 22:00	63.5	↓-2.8
3/22 22:10	60.9	↓-2.6
3/22 22:20	58.6	↓-2.3
3/22 22:30	56.4	↓-2.2
3/22 22:40	54.5	↓-1.9
3/22 22:50	52.8	↓-1.7
3/22 23:00	51.4	↓-1.4
3/22 23:10	50.3	↓-1.1
3/22 23:20	49.4	↓-0.9
3/22 23:30	48.9	↓-0.5
3/22 23:40	48.6	↓-0.3	干潮
3/22 23:50	48.7	↑0.1