22 (土)	04:31	11:15	18:12	23:23
	113cm	-2cm	112cm	63cm
中潮 出 04:57 入 18:18 出 05:59 入 20:39 潮干狩り ◎ 08:51～13:42

那珂湊（茨城）2023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	57.9	↑1.5
4/22 00:10	59.6	↑1.7
4/22 00:20	61.5	↑1.9
4/22 00:30	63.6	↑2.1
4/22 00:40	65.9	↑2.3
4/22 00:50	68.2	↑2.3
4/22 01:00	70.7	↑2.5
4/22 01:10	73.3	↑2.6
4/22 01:20	76.0	↑2.7
4/22 01:30	78.7	↑2.7
4/22 01:40	81.5	↑2.8
4/22 01:50	84.3	↑2.8
4/22 02:00	87.0	↑2.7
4/22 02:10	89.8	↑2.8
4/22 02:20	92.4	↑2.6
4/22 02:30	95.0	↑2.6
4/22 02:40	97.5	↑2.5
4/22 02:50	99.9	↑2.4
4/22 03:00	102.1	↑2.2
4/22 03:10	104.2	↑2.1
4/22 03:20	106.1	↑1.9
4/22 03:30	107.8	↑1.7
4/22 03:40	109.2	↑1.4
4/22 03:50	110.5	↑1.3
4/22 04:00	111.4	↑0.9
4/22 04:10	112.1	↑0.7
4/22 04:20	112.6	↑0.5
4/22 04:30	112.7	↑0.1	満潮
4/22 04:40	112.6	↓-0.1
4/22 04:50	112.1	↓-0.5
4/22 05:00	111.3	↓-0.8
4/22 05:10	110.3	↓-1.0
4/22 05:20	108.9	↓-1.4
4/22 05:30	107.2	↓-1.7
4/22 05:40	105.2	↓-2.0
4/22 05:50	102.9	↓-2.3
4/22 06:00	100.3	↓-2.6
4/22 06:10	97.4	↓-2.9
4/22 06:20	94.3	↓-3.1
4/22 06:30	90.9	↓-3.4
4/22 06:40	87.3	↓-3.6
4/22 06:50	83.5	↓-3.8
4/22 07:00	79.5	↓-4.0
4/22 07:10	75.3	↓-4.2
4/22 07:20	71.0	↓-4.3
4/22 07:30	66.6	↓-4.4
4/22 07:40	62.1	↓-4.5
4/22 07:50	57.6	↓-4.5
4/22 08:00	53.0	↓-4.6	最大潮位差
4/22 08:10	48.5	↓-4.5
4/22 08:20	44.0	↓-4.5
4/22 08:30	39.5	↓-4.5
4/22 08:40	35.2	↓-4.3
4/22 08:50	31.0	↓-4.2
4/22 09:00	26.9	↓-4.1
4/22 09:10	23.0	↓-3.9
4/22 09:20	19.3	↓-3.7
4/22 09:30	15.9	↓-3.4
4/22 09:40	12.7	↓-3.2
4/22 09:50	9.7	↓-3.0
4/22 10:00	7.1	↓-2.6
4/22 10:10	4.8	↓-2.3
4/22 10:20	2.7	↓-2.1
4/22 10:30	1.1	↓-1.6
4/22 10:40	-0.3	↓-1.4
4/22 10:50	-1.3	↓-1.0
4/22 11:00	-2.0	↓-0.7
4/22 11:10	-2.3	↓-0.3	干潮
4/22 11:20	-2.2	↑0.1
4/22 11:30	-1.8	↑0.4
4/22 11:40	-1.1	↑0.7
4/22 11:50	0.0	↑1.1
4/22 12:00	1.3	0
4/22 12:10	3.1	↑1.8
4/22 12:20	5.1	↑2.0
4/22 12:30	7.4	↑2.3
4/22 12:40	9.9	↑2.5
4/22 12:50	12.8	↑2.9
4/22 13:00	15.8	↑3.0
4/22 13:10	19.1	↑3.3
4/22 13:20	22.6	↑3.5
4/22 13:30	26.3	↑3.7
4/22 13:40	30.1	↑3.8
4/22 13:50	34.0	↑3.9
4/22 14:00	38.1	↑4.1
4/22 14:10	42.2	↑4.1
4/22 14:20	46.4	↑4.2
4/22 14:30	50.7	↑4.3
4/22 14:40	55.0	↑4.3
4/22 14:50	59.2	↑4.2
4/22 15:00	63.4	↑4.2
4/22 15:10	67.6	↑4.2
4/22 15:20	71.7	↑4.1
4/22 15:30	75.7	↑4.0
4/22 15:40	79.5	↑3.8
4/22 15:50	83.3	↑3.8
4/22 16:00	86.8	↑3.5
4/22 16:10	90.2	↑3.4
4/22 16:20	93.3	↑3.1
4/22 16:30	96.3	↑3.0
4/22 16:40	99.0	↑2.7
4/22 16:50	101.4	↑2.4
4/22 17:00	103.6	↑2.2
4/22 17:10	105.6	↑2.0
4/22 17:20	107.2	↑1.6
4/22 17:30	108.5	↑1.3
4/22 17:40	109.6	↑1.1
4/22 17:50	110.4	↑0.8
4/22 18:00	110.9	↑0.5
4/22 18:10	111.0	↑0.1	満潮
4/22 18:20	110.9	↓-0.1
4/22 18:30	110.6	↓-0.3
4/22 18:40	109.9	↓-0.7
4/22 18:50	109.0	↓-0.9
4/22 19:00	107.9	↓-1.1
4/22 19:10	106.5	↓-1.4
4/22 19:20	104.9	↓-1.6
4/22 19:30	103.1	↓-1.8
4/22 19:40	101.2	↓-1.9
4/22 19:50	99.1	↓-2.1
4/22 20:00	96.9	↓-2.2
4/22 20:10	94.6	↓-2.3
4/22 20:20	92.2	↓-2.4
4/22 20:30	89.8	↓-2.4
4/22 20:40	87.3	↓-2.5
4/22 20:50	84.9	↓-2.4
4/22 21:00	82.5	↓-2.4
4/22 21:10	80.1	↓-2.4
4/22 21:20	77.8	↓-2.3
4/22 21:30	75.6	↓-2.2
4/22 21:40	73.5	↓-2.1
4/22 21:50	71.6	↓-1.9
4/22 22:00	69.8	↓-1.8
4/22 22:10	68.1	↓-1.7
4/22 22:20	66.7	↓-1.4
4/22 22:30	65.5	↓-1.2
4/22 22:40	64.4	↓-1.1
4/22 22:50	63.6	↓-0.8
4/22 23:00	63.0	↓-0.6
4/22 23:10	62.6	↓-0.4
4/22 23:20	62.5	↓-0.1	干潮
4/22 23:30	62.5	0
4/22 23:40	62.8	↑0.3
4/22 23:50	63.4	↑0.6