09 (日)	05:05	11:48	18:48	23:52
	108cm	5cm	106cm	64cm
中潮 出 05:14 入 18:07 出 21:28 入 06:43 潮干狩り ◎ 09:34～14:05

那珂湊（茨城）2023年04月09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
4/9 00:00	53.5	↑0.7
4/9 00:10	54.4	↑0.9
4/9 00:20	55.6	↑1.2
4/9 00:30	56.9	↑1.3
4/9 00:40	58.4	↑1.5
4/9 00:50	60.2	↑1.8
4/9 01:00	62.0	↑1.8
4/9 01:10	64.1	↑2.1
4/9 01:20	66.2	↑2.1
4/9 01:30	68.5	↑2.3
4/9 01:40	70.8	↑2.3
4/9 01:50	73.2	↑2.4
4/9 02:00	75.7	↑2.5
4/9 02:10	78.2	↑2.5
4/9 02:20	80.7	↑2.5
4/9 02:30	83.2	↑2.5
4/9 02:40	85.7	↑2.5
4/9 02:50	88.1	↑2.4
4/9 03:00	90.4	↑2.3
4/9 03:10	92.7	↑2.3
4/9 03:20	94.8	↑2.1
4/9 03:30	96.9	↑2.1
4/9 03:40	98.8	↑1.9
4/9 03:50	100.5	↑1.7
4/9 04:00	102.1	↑1.6
4/9 04:10	103.4	↑1.3
4/9 04:20	104.6	↑1.2
4/9 04:30	105.6	↑1.0
4/9 04:40	106.3	↑0.7
4/9 04:50	106.8	↑0.5
4/9 05:00	107.0	↑0.2	満潮
4/9 05:10	107.0	0
4/9 05:20	106.7	↓-0.3
4/9 05:30	106.2	↓-0.5
4/9 05:40	105.4	↓-0.8
4/9 05:50	104.3	↓-1.1
4/9 06:00	102.9	↓-1.4
4/9 06:10	101.3	↓-1.6
4/9 06:20	99.3	↓-2.0
4/9 06:30	97.2	↓-2.1
4/9 06:40	94.8	↓-2.4
4/9 06:50	92.1	↓-2.7
4/9 07:00	89.2	↓-2.9
4/9 07:10	86.1	↓-3.1
4/9 07:20	82.8	↓-3.3
4/9 07:30	79.3	↓-3.5
4/9 07:40	75.7	↓-3.6
4/9 07:50	71.9	↓-3.8
4/9 08:00	68.0	↓-3.9
4/9 08:10	64.1	↓-3.9
4/9 08:20	60.0	↓-4.1	最大潮位差
4/9 08:30	55.9	↓-4.1	最大潮位差
4/9 08:40	51.8	↓-4.1	最大潮位差
4/9 08:50	47.8	↓-4.0
4/9 09:00	43.7	↓-4.1	最大潮位差
4/9 09:10	39.8	↓-3.9
4/9 09:20	35.9	↓-3.9
4/9 09:30	32.1	↓-3.8
4/9 09:40	28.6	↓-3.5
4/9 09:50	25.1	↓-3.5
4/9 10:00	21.9	↓-3.2
4/9 10:10	18.9	↓-3.0
4/9 10:20	16.2	↓-2.7
4/9 10:30	13.7	↓-2.5
4/9 10:40	11.5	↓-2.2
4/9 10:50	9.5	↓-2.0
4/9 11:00	7.9	↓-1.6
4/9 11:10	6.6	↓-1.3
4/9 11:20	5.5	↓-1.1
4/9 11:30	4.9	↓-0.6
4/9 11:40	4.5	↓-0.4	干潮
4/9 11:50	4.4	↓-0.1
4/9 12:00	4.7	↑0.3
4/9 12:10	5.3	↑0.6
4/9 12:20	6.2	↑0.9
4/9 12:30	7.3	↑1.1
4/9 12:40	8.8	↑1.5
4/9 12:50	10.6	↑1.8
4/9 13:00	12.6	↑2.0
4/9 13:10	14.8	↑2.2
4/9 13:20	17.3	↑2.5
4/9 13:30	20.0	↑2.7
4/9 13:40	22.9	↑2.9
4/9 13:50	26.0	↑3.1
4/9 14:00	29.2	↑3.2
4/9 14:10	32.6	↑3.4
4/9 14:20	36.0	↑3.4
4/9 14:30	39.6	↑3.6
4/9 14:40	43.3	↑3.7
4/9 14:50	47.0	↑3.7
4/9 15:00	50.7	↑3.7
4/9 15:10	54.5	↑3.8
4/9 15:20	58.2	↑3.7
4/9 15:30	61.9	↑3.7
4/9 15:40	65.6	↑3.7
4/9 15:50	69.2	↑3.6
4/9 16:00	72.7	↑3.5
4/9 16:10	76.1	↑3.4
4/9 16:20	79.4	↑3.3
4/9 16:30	82.6	↑3.2
4/9 16:40	85.6	↑3.0
4/9 16:50	88.4	↑2.8
4/9 17:00	91.0	↑2.6
4/9 17:10	93.5	↑2.5
4/9 17:20	95.7	↑2.2
4/9 17:30	97.7	↑2.0
4/9 17:40	99.5	↑1.8
4/9 17:50	101.1	↑1.6
4/9 18:00	102.4	↑1.3
4/9 18:10	103.5	↑1.1
4/9 18:20	104.3	↑0.8
4/9 18:30	104.8	↑0.5
4/9 18:40	105.1	↑0.3	満潮
4/9 18:50	105.2	↑0.1
4/9 19:00	105.0	↓-0.2
4/9 19:10	104.5	↓-0.5
4/9 19:20	103.9	↓-0.6
4/9 19:30	103.0	↓-0.9
4/9 19:40	101.9	↓-1.1
4/9 19:50	100.6	↓-1.3
4/9 20:00	99.2	↓-1.4
4/9 20:10	97.5	↓-1.7
4/9 20:20	95.8	↓-1.7
4/9 20:30	93.9	↓-1.9
4/9 20:40	91.9	↓-2.0
4/9 20:50	89.8	↓-2.1
4/9 21:00	87.7	↓-2.1
4/9 21:10	85.6	↓-2.1
4/9 21:20	83.4	↓-2.2
4/9 21:30	81.2	↓-2.2
4/9 21:40	79.1	↓-2.1
4/9 21:50	77.1	↓-2.0
4/9 22:00	75.1	↓-2.0
4/9 22:10	73.2	↓-1.9
4/9 22:20	71.4	↓-1.8
4/9 22:30	69.8	↓-1.6
4/9 22:40	68.3	↓-1.5
4/9 22:50	67.0	↓-1.3
4/9 23:00	65.9	↓-1.1
4/9 23:10	65.0	↓-0.9
4/9 23:20	64.2	↓-0.8
4/9 23:30	63.7	↓-0.5
4/9 23:40	63.3	↓-0.4
4/9 23:50	63.2	↓-0.1	干潮