1 (木)	05:45	12:18	19:15	-
	106cm	8cm	108cm	-
中潮 出 05:25 入 18:01 出 22:13 入 07:39 潮干狩り ◎ 10:11～14:28

那珂湊（茨城）2021年04月1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
4/1 00:00	46.6	↓-0.1
4/1 00:10	46.7	↑0.1
4/1 00:20	47.1	↑0.4
4/1 00:30	47.7	↑0.6
4/1 00:40	48.6	↑0.9
4/1 00:50	49.7	↑1.1
4/1 01:00	51.0	↑1.3
4/1 01:10	52.5	↑1.5
4/1 01:20	54.2	↑1.7
4/1 01:30	56.1	↑1.9
4/1 01:40	58.1	↑2.0
4/1 01:50	60.3	↑2.2
4/1 02:00	62.6	↑2.3
4/1 02:10	65.0	↑2.4
4/1 02:20	67.5	↑2.5
4/1 02:30	70.1	↑2.6
4/1 02:40	72.7	↑2.6
4/1 02:50	75.4	↑2.7
4/1 03:00	78.0	↑2.6
4/1 03:10	80.7	↑2.7
4/1 03:20	83.3	↑2.6
4/1 03:30	85.8	↑2.5
4/1 03:40	88.3	↑2.5
4/1 03:50	90.7	↑2.4
4/1 04:00	93.0	↑2.3
4/1 04:10	95.1	↑2.1
4/1 04:20	97.1	↑2.0
4/1 04:30	99.0	↑1.9
4/1 04:40	100.6	↑1.6
4/1 04:50	102.1	↑1.5
4/1 05:00	103.3	↑1.2
4/1 05:10	104.3	↑1.0
4/1 05:20	105.1	↑0.8
4/1 05:30	105.6	↑0.5
4/1 05:40	105.8	↑0.2	満潮
4/1 05:50	105.8	0
4/1 06:00	105.5	↓-0.3
4/1 06:10	104.9	↓-0.6
4/1 06:20	104.1	↓-0.8
4/1 06:30	102.9	↓-1.2
4/1 06:40	101.5	↓-1.4
4/1 06:50	99.8	↓-1.7
4/1 07:00	97.8	↓-2.0
4/1 07:10	95.5	↓-2.3
4/1 07:20	93.0	↓-2.5
4/1 07:30	90.3	↓-2.7
4/1 07:40	87.3	↓-3.0
4/1 07:50	84.1	↓-3.2
4/1 08:00	80.8	↓-3.3
4/1 08:10	77.2	↓-3.6
4/1 08:20	73.5	↓-3.7
4/1 08:30	69.7	↓-3.8
4/1 08:40	65.8	↓-3.9
4/1 08:50	61.9	↓-3.9
4/1 09:00	57.9	↓-4.0
4/1 09:10	53.8	↓-4.1	最大潮位差
4/1 09:20	49.8	↓-4.0
4/1 09:30	45.8	↓-4.0
4/1 09:40	41.9	↓-3.9
4/1 09:50	38.1	↓-3.8
4/1 10:00	34.5	↓-3.6
4/1 10:10	30.9	↓-3.6
4/1 10:20	27.6	↓-3.3
4/1 10:30	24.4	↓-3.2
4/1 10:40	21.5	↓-2.9
4/1 10:50	18.7	↓-2.8
4/1 11:00	16.3	↓-2.4
4/1 11:10	14.1	↓-2.2
4/1 11:20	12.2	↓-1.9
4/1 11:30	10.6	↓-1.6
4/1 11:40	9.3	↓-1.3
4/1 11:50	8.3	↓-1.0
4/1 12:00	7.6	↓-0.7
4/1 12:10	7.2	↓-0.4	干潮
4/1 12:20	7.2	0
4/1 12:30	7.4	↑0.2
4/1 12:40	8.0	↑0.6
4/1 12:50	8.8	↑0.8
4/1 13:00	10.0	↑1.2
4/1 13:10	11.4	↑1.4
4/1 13:20	13.1	↑1.7
4/1 13:30	15.0	↑1.9
4/1 13:40	17.2	↑2.2
4/1 13:50	19.7	↑2.5
4/1 14:00	22.3	↑2.6
4/1 14:10	25.2	↑2.9
4/1 14:20	28.2	↑3.0
4/1 14:30	31.4	↑3.2
4/1 14:40	34.7	↑3.3
4/1 14:50	38.1	↑3.4
4/1 15:00	41.7	↑3.6
4/1 15:10	45.3	↑3.6
4/1 15:20	49.0	↑3.7
4/1 15:30	52.7	↑3.7
4/1 15:40	56.5	↑3.8
4/1 15:50	60.2	↑3.7
4/1 16:00	63.9	↑3.7
4/1 16:10	67.6	↑3.7
4/1 16:20	71.3	↑3.7
4/1 16:30	74.8	↑3.5
4/1 16:40	78.3	↑3.5
4/1 16:50	81.6	↑3.3
4/1 17:00	84.8	↑3.2
4/1 17:10	87.8	↑3.0
4/1 17:20	90.7	↑2.9
4/1 17:30	93.4	↑2.7
4/1 17:40	95.8	↑2.4
4/1 17:50	98.1	↑2.3
4/1 18:00	100.1	↑2.0
4/1 18:10	101.9	↑1.8
4/1 18:20	103.4	↑1.5
4/1 18:30	104.7	↑1.3
4/1 18:40	105.7	↑1.0
4/1 18:50	106.5	↑0.8
4/1 19:00	107.0	↑0.5
4/1 19:10	107.2	↑0.2	満潮
4/1 19:20	107.2	0
4/1 19:30	106.9	↓-0.3
4/1 19:40	106.3	↓-0.6
4/1 19:50	105.5	↓-0.8
4/1 20:00	104.5	↓-1.0
4/1 20:10	103.3	↓-1.2
4/1 20:20	101.8	↓-1.5
4/1 20:30	100.2	↓-1.6
4/1 20:40	98.4	↓-1.8
4/1 20:50	96.4	↓-2.0
4/1 21:00	94.4	↓-2.0
4/1 21:10	92.2	↓-2.2
4/1 21:20	89.9	↓-2.3
4/1 21:30	87.6	↓-2.3
4/1 21:40	85.2	↓-2.4
4/1 21:50	82.9	↓-2.3
4/1 22:00	80.5	↓-2.4
4/1 22:10	78.2	↓-2.3
4/1 22:20	75.9	↓-2.3
4/1 22:30	73.7	↓-2.2
4/1 22:40	71.7	↓-2.0
4/1 22:50	69.7	↓-2.0
4/1 23:00	67.9	↓-1.8
4/1 23:10	66.2	↓-1.7
4/1 23:20	64.7	↓-1.5
4/1 23:30	63.3	↓-1.4
4/1 23:40	62.2	↓-1.1
4/1 23:50	61.2	↓-1.0