12 (水)	06:05	00:39	22:39	14:08
	109cm	82cm	92cm	6cm
小潮 出 05:10 入 18:10 出 - 入 09:02 潮干狩り ◎ 11:35～16:58

那珂湊（茨城）2023年04月12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
4/12 00:00	82.7	↓-0.5
4/12 00:10	82.4	↓-0.3
4/12 00:20	82.1	↓-0.3
4/12 00:30	82.0	↓-0.1	干潮
4/12 00:40	82.0	0
4/12 00:50	82.0	0
4/12 01:00	82.2	↑0.2
4/12 01:10	82.5	↑0.3
4/12 01:20	83.0	↑0.5
4/12 01:30	83.5	↑0.5
4/12 01:40	84.1	↑0.6
4/12 01:50	84.9	↑0.8
4/12 02:00	85.7	↑0.8
4/12 02:10	86.6	↑0.9
4/12 02:20	87.6	↑1.0
4/12 02:30	88.6	↑1.0
4/12 02:40	89.7	↑1.1
4/12 02:50	90.9	↑1.2
4/12 03:00	92.1	↑1.2
4/12 03:10	93.3	↑1.2
4/12 03:20	94.5	↑1.2
4/12 03:30	95.8	↑1.3
4/12 03:40	97.0	↑1.2
4/12 03:50	98.2	↑1.2
4/12 04:00	99.4	↑1.2
4/12 04:10	100.5	↑1.1
4/12 04:20	101.6	↑1.1
4/12 04:30	102.7	↑1.1
4/12 04:40	103.7	↑1.0
4/12 04:50	104.6	↑0.9
4/12 05:00	105.4	↑0.8
4/12 05:10	106.1	↑0.7
4/12 05:20	106.7	↑0.6
4/12 05:30	107.2	↑0.5
4/12 05:40	107.6	↑0.4
4/12 05:50	107.9	↑0.3
4/12 06:00	108.0	↑0.1	満潮
4/12 06:10	108.0	0
4/12 06:20	107.8	↓-0.2
4/12 06:30	107.5	↓-0.3
4/12 06:40	107.0	↓-0.5
4/12 06:50	106.4	↓-0.6
4/12 07:00	105.6	↓-0.8
4/12 07:10	104.6	↓-1.0
4/12 07:20	103.4	↓-1.2
4/12 07:30	102.1	↓-1.3
4/12 07:40	100.6	↓-1.5
4/12 07:50	98.9	↓-1.7
4/12 08:00	97.0	↓-1.9
4/12 08:10	94.9	↓-2.1
4/12 08:20	92.7	↓-2.2
4/12 08:30	90.3	↓-2.4
4/12 08:40	87.8	↓-2.5
4/12 08:50	85.0	↓-2.8
4/12 09:00	82.2	↓-2.8
4/12 09:10	79.2	↓-3.0
4/12 09:20	76.1	↓-3.1
4/12 09:30	72.9	↓-3.2
4/12 09:40	69.6	↓-3.3
4/12 09:50	66.2	↓-3.4
4/12 10:00	62.7	↓-3.5
4/12 10:10	59.3	↓-3.4
4/12 10:20	55.7	↓-3.6	最大潮位差
4/12 10:30	52.2	↓-3.5
4/12 10:40	48.7	↓-3.5
4/12 10:50	45.2	↓-3.5
4/12 11:00	41.8	↓-3.4
4/12 11:10	38.4	↓-3.4
4/12 11:20	35.2	↓-3.2
4/12 11:30	32.0	↓-3.2
4/12 11:40	28.9	↓-3.1
4/12 11:50	26.0	↓-2.9
4/12 12:00	23.3	↓-2.7
4/12 12:10	20.7	↓-2.6
4/12 12:20	18.2	↓-2.5
4/12 12:30	16.0	↓-2.2
4/12 12:40	14.0	↓-2.0
4/12 12:50	12.2	↓-1.8
4/12 13:00	10.6	↓-1.6
4/12 13:10	9.2	↓-1.4
4/12 13:20	8.0	↓-1.2
4/12 13:30	7.1	↓-0.9
4/12 13:40	6.4	↓-0.7
4/12 13:50	5.9	↓-0.5
4/12 14:00	5.6	↓-0.3	干潮
4/12 14:10	5.5	↓-0.1
4/12 14:20	5.7	↑0.2
4/12 14:30	6.1	↑0.4
4/12 14:40	6.7	↑0.6
4/12 14:50	7.4	↑0.7
4/12 15:00	8.4	↑1.0
4/12 15:10	9.6	↑1.2
4/12 15:20	10.9	↑1.3
4/12 15:30	12.4	↑1.5
4/12 15:40	14.0	↑1.6
4/12 15:50	15.8	↑1.8
4/12 16:00	17.7	↑1.9
4/12 16:10	19.7	↑2.0
4/12 16:20	21.9	↑2.2
4/12 16:30	24.2	↑2.3
4/12 16:40	26.5	↑2.3
4/12 16:50	28.9	↑2.4
4/12 17:00	31.5	↑2.6
4/12 17:10	34.0	↑2.5
4/12 17:20	36.7	↑2.7
4/12 17:30	39.3	↑2.6
4/12 17:40	42.0	↑2.7
4/12 17:50	44.7	↑2.7
4/12 18:00	47.5	↑2.8
4/12 18:10	50.2	↑2.7
4/12 18:20	52.9	↑2.7
4/12 18:30	55.6	↑2.7
4/12 18:40	58.2	↑2.6
4/12 18:50	60.8	↑2.6
4/12 19:00	63.3	↑2.5
4/12 19:10	65.8	↑2.5
4/12 19:20	68.2	↑2.4
4/12 19:30	70.5	↑2.3
4/12 19:40	72.7	↑2.2
4/12 19:50	74.8	↑2.1
4/12 20:00	76.8	↑2.0
4/12 20:10	78.7	↑1.9
4/12 20:20	80.4	↑1.7
4/12 20:30	82.0	↑1.6
4/12 20:40	83.5	↑1.5
4/12 20:50	84.8	↑1.3
4/12 21:00	86.0	↑1.2
4/12 21:10	87.1	↑1.1
4/12 21:20	88.0	↑0.9
4/12 21:30	88.8	↑0.8
4/12 21:40	89.5	↑0.7
4/12 21:50	90.0	↑0.5
4/12 22:00	90.4	↑0.4
4/12 22:10	90.7	↑0.3
4/12 22:20	90.9	↑0.2
4/12 22:30	91.0	↑0.1	満潮
4/12 22:40	91.0	0
4/12 22:50	91.0	0
4/12 23:00	90.9	↓-0.1
4/12 23:10	90.7	↓-0.2
4/12 23:20	90.5	↓-0.2
4/12 23:30	90.3	↓-0.2
4/12 23:40	90.0	↓-0.3
4/12 23:50	89.7	↓-0.3