22 (火)	05:23	12:17	19:29	-
	110cm	1cm	107cm	-
中潮 出 04:56 入 18:19 出 07:43 入 22:02 潮干狩り ◎ 09:54～14:46

那珂湊（茨城）2053年04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
4/22 00:00	60.9	↑0.1
4/22 00:10	61.3	↑0.4
4/22 00:20	61.8	↑0.5
4/22 00:30	62.6	↑0.8
4/22 00:40	63.5	↑0.9
4/22 00:50	64.7	↑1.2
4/22 01:00	66.0	↑1.3
4/22 01:10	67.5	↑1.5
4/22 01:20	69.1	↑1.6
4/22 01:30	70.9	↑1.8
4/22 01:40	72.8	↑1.9
4/22 01:50	74.8	↑2.0
4/22 02:00	76.9	↑2.1
4/22 02:10	79.0	↑2.1
4/22 02:20	81.2	↑2.2
4/22 02:30	83.4	↑2.2
4/22 02:40	85.7	↑2.3
4/22 02:50	87.9	↑2.2
4/22 03:00	90.2	↑2.3
4/22 03:10	92.4	↑2.2
4/22 03:20	94.5	↑2.1
4/22 03:30	96.6	↑2.1
4/22 03:40	98.5	↑1.9
4/22 03:50	100.4	↑1.9
4/22 04:00	102.1	↑1.7
4/22 04:10	103.7	↑1.6
4/22 04:20	105.1	↑1.4
4/22 04:30	106.4	↑1.3
4/22 04:40	107.4	↑1.0
4/22 04:50	108.3	↑0.9
4/22 05:00	108.9	↑0.6
4/22 05:10	109.3	↑0.4
4/22 05:20	109.5	↑0.2	満潮
4/22 05:30	109.4	↓-0.1
4/22 05:40	109.1	↓-0.3
4/22 05:50	108.5	↓-0.6
4/22 06:00	107.7	↓-0.8
4/22 06:10	106.5	↓-1.2
4/22 06:20	105.1	↓-1.4
4/22 06:30	103.5	↓-1.6
4/22 06:40	101.5	↓-2.0
4/22 06:50	99.3	↓-2.2
4/22 07:00	96.9	↓-2.4
4/22 07:10	94.2	↓-2.7
4/22 07:20	91.2	↓-3.0
4/22 07:30	88.1	↓-3.1
4/22 07:40	84.7	↓-3.4
4/22 07:50	81.1	↓-3.6
4/22 08:00	77.4	↓-3.7
4/22 08:10	73.6	↓-3.8
4/22 08:20	69.6	↓-4.0
4/22 08:30	65.5	↓-4.1
4/22 08:40	61.3	↓-4.2
4/22 08:50	57.1	↓-4.2
4/22 09:00	52.8	↓-4.3	最大潮位差
4/22 09:10	48.6	↓-4.2
4/22 09:20	44.4	↓-4.2
4/22 09:30	40.2	↓-4.2
4/22 09:40	36.2	↓-4.0
4/22 09:50	32.2	↓-4.0
4/22 10:00	28.4	↓-3.8
4/22 10:10	24.8	↓-3.6
4/22 10:20	21.3	↓-3.5
4/22 10:30	18.1	↓-3.2
4/22 10:40	15.1	↓-3.0
4/22 10:50	12.3	↓-2.8
4/22 11:00	9.8	↓-2.5
4/22 11:10	7.6	↓-2.2
4/22 11:20	5.7	↓-1.9
4/22 11:30	4.1	↓-1.6
4/22 11:40	2.8	↓-1.3
4/22 11:50	1.8	↓-1.0
4/22 12:00	1.1	↓-0.7
4/22 12:10	0.7	↓-0.4	干潮
4/22 12:20	0.7	0
4/22 12:30	1.0	↑0.3
4/22 12:40	1.5	↑0.5
4/22 12:50	2.4	↑0.9
4/22 13:00	3.6	↑1.2
4/22 13:10	5.1	↑1.5
4/22 13:20	6.8	↑1.7
4/22 13:30	8.8	↑2.0
4/22 13:40	11.0	↑2.2
4/22 13:50	13.5	↑2.5
4/22 14:00	16.2	↑2.7
4/22 14:10	19.0	↑2.8
4/22 14:20	22.1	↑3.1
4/22 14:30	25.3	↑3.2
4/22 14:40	28.7	↑3.4
4/22 14:50	32.1	↑3.4
4/22 15:00	35.7	↑3.6
4/22 15:10	39.4	↑3.7
4/22 15:20	43.1	↑3.7
4/22 15:30	46.9	↑3.8
4/22 15:40	50.8	↑3.9
4/22 15:50	54.6	↑3.8
4/22 16:00	58.4	↑3.8
4/22 16:10	62.2	↑3.8
4/22 16:20	65.9	↑3.7
4/22 16:30	69.6	↑3.7
4/22 16:40	73.2	↑3.6
4/22 16:50	76.6	↑3.4
4/22 17:00	80.0	↑3.4
4/22 17:10	83.2	↑3.2
4/22 17:20	86.2	↑3.0
4/22 17:30	89.1	↑2.9
4/22 17:40	91.8	↑2.7
4/22 17:50	94.3	↑2.5
4/22 18:00	96.6	↑2.3
4/22 18:10	98.6	↑2.0
4/22 18:20	100.5	↑1.9
4/22 18:30	102.1	↑1.6
4/22 18:40	103.4	↑1.3
4/22 18:50	104.5	↑1.1
4/22 19:00	105.3	↑0.8
4/22 19:10	105.9	↑0.6
4/22 19:20	106.2	↑0.3	満潮
4/22 19:30	106.3	↑0.1
4/22 19:40	106.1	↓-0.2
4/22 19:50	105.7	↓-0.4
4/22 20:00	105.1	↓-0.6
4/22 20:10	104.2	↓-0.9
4/22 20:20	103.2	↓-1.0
4/22 20:30	101.9	↓-1.3
4/22 20:40	100.6	↓-1.3
4/22 20:50	99.0	↓-1.6
4/22 21:00	97.3	↓-1.7
4/22 21:10	95.6	↓-1.7
4/22 21:20	93.7	↓-1.9
4/22 21:30	91.8	↓-1.9
4/22 21:40	89.8	↓-2.0
4/22 21:50	87.8	↓-2.0
4/22 22:00	85.8	↓-2.0
4/22 22:10	83.9	↓-1.9
4/22 22:20	81.9	↓-2.0
4/22 22:30	80.1	↓-1.8
4/22 22:40	78.3	↓-1.8
4/22 22:50	76.7	↓-1.6
4/22 23:00	75.1	↓-1.6
4/22 23:10	73.7	↓-1.4
4/22 23:20	72.5	↓-1.2
4/22 23:30	71.4	↓-1.1
4/22 23:40	70.4	↓-1.0
4/22 23:50	69.7	↓-0.7