12 (日)	06:20	00:19	19:31	12:48
	106cm	45cm	98cm	22cm
中潮 出 05:55 入 17:43 出 22:29 入 08:09 潮干狩り ○ 11:23～14:14

那珂湊（茨城）2023年03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
3/12 00:00	45.3	↓-0.5
3/12 00:10	45.0	↓-0.3	干潮
3/12 00:20	44.9	↓-0.1
3/12 00:30	45.1	↑0.2
3/12 00:40	45.5	↑0.4
3/12 00:50	46.1	↑0.6
3/12 01:00	47.0	↑0.9
3/12 01:10	48.1	↑1.1
3/12 01:20	49.4	↑1.3
3/12 01:30	50.8	↑1.4
3/12 01:40	52.5	↑1.7
3/12 01:50	54.3	↑1.8
3/12 02:00	56.3	↑2.0
3/12 02:10	58.4	↑2.1
3/12 02:20	60.7	↑2.3
3/12 02:30	63.0	↑2.3
3/12 02:40	65.4	↑2.4
3/12 02:50	67.9	↑2.5
3/12 03:00	70.4	↑2.5
3/12 03:10	73.0	↑2.6
3/12 03:20	75.6	↑2.6
3/12 03:30	78.1	↑2.5
3/12 03:40	80.7	↑2.6
3/12 03:50	83.2	↑2.5
3/12 04:00	85.6	↑2.4
3/12 04:10	88.0	↑2.4
3/12 04:20	90.2	↑2.2
3/12 04:30	92.4	↑2.2
3/12 04:40	94.4	↑2.0
3/12 04:50	96.3	↑1.9
3/12 05:00	98.1	↑1.8
3/12 05:10	99.7	↑1.6
3/12 05:20	101.1	↑1.4
3/12 05:30	102.3	↑1.2
3/12 05:40	103.3	↑1.0
3/12 05:50	104.1	↑0.8
3/12 06:00	104.6	↑0.5
3/12 06:10	104.9	↑0.3	満潮
3/12 06:20	105.0	↑0.1	満潮
3/12 06:30	104.9	↓-0.1
3/12 06:40	104.5	↓-0.4
3/12 06:50	103.8	↓-0.7
3/12 07:00	102.9	↓-0.9
3/12 07:10	101.8	↓-1.1
3/12 07:20	100.4	↓-1.4
3/12 07:30	98.8	↓-1.6
3/12 07:40	96.9	↓-1.9
3/12 07:50	94.8	↓-2.1
3/12 08:00	92.5	↓-2.3
3/12 08:10	90.0	↓-2.5
3/12 08:20	87.3	↓-2.7
3/12 08:30	84.5	↓-2.8
3/12 08:40	81.5	↓-3.0
3/12 08:50	78.3	↓-3.2
3/12 09:00	75.1	↓-3.2
3/12 09:10	71.8	↓-3.3
3/12 09:20	68.4	↓-3.4
3/12 09:30	64.9	↓-3.5	最大潮位差
3/12 09:40	61.5	↓-3.4
3/12 09:50	58.0	↓-3.5	最大潮位差
3/12 10:00	54.6	↓-3.4
3/12 10:10	51.3	↓-3.3
3/12 10:20	48.0	↓-3.3
3/12 10:30	44.8	↓-3.2
3/12 10:40	41.8	↓-3.0
3/12 10:50	38.9	↓-2.9
3/12 11:00	36.2	↓-2.7
3/12 11:10	33.6	↓-2.6
3/12 11:20	31.3	↓-2.3
3/12 11:30	29.2	↓-2.1
3/12 11:40	27.3	↓-1.9
3/12 11:50	25.7	↓-1.6
3/12 12:00	24.3	↓-1.4
3/12 12:10	23.2	↓-1.1
3/12 12:20	22.3	↓-0.9
3/12 12:30	21.8	↓-0.5
3/12 12:40	21.4	↓-0.4	干潮
3/12 12:50	21.4	0
3/12 13:00	21.6	↑0.2
3/12 13:10	22.1	↑0.5
3/12 13:20	22.8	↑0.7
3/12 13:30	23.8	↑1.0
3/12 13:40	25.0	↑1.2
3/12 13:50	26.4	↑1.4
3/12 14:00	28.1	↑1.7
3/12 14:10	29.9	↑1.8
3/12 14:20	31.9	↑2.0
3/12 14:30	34.1	↑2.2
3/12 14:40	36.5	↑2.4
3/12 14:50	38.9	↑2.4
3/12 15:00	41.5	↑2.6
3/12 15:10	44.2	↑2.7
3/12 15:20	47.0	↑2.8
3/12 15:30	49.9	↑2.9
3/12 15:40	52.8	↑2.9
3/12 15:50	55.7	↑2.9
3/12 16:00	58.6	↑2.9
3/12 16:10	61.6	↑3.0
3/12 16:20	64.5	↑2.9
3/12 16:30	67.4	↑2.9
3/12 16:40	70.3	↑2.9
3/12 16:50	73.0	↑2.7
3/12 17:00	75.7	↑2.7
3/12 17:10	78.3	↑2.6
3/12 17:20	80.8	↑2.5
3/12 17:30	83.2	↑2.4
3/12 17:40	85.4	↑2.2
3/12 17:50	87.5	↑2.1
3/12 18:00	89.4	↑1.9
3/12 18:10	91.2	↑1.8
3/12 18:20	92.7	↑1.5
3/12 18:30	94.1	↑1.4
3/12 18:40	95.3	↑1.2
3/12 18:50	96.2	↑0.9
3/12 19:00	97.0	↑0.8
3/12 19:10	97.5	↑0.5
3/12 19:20	97.8	↑0.3
3/12 19:30	97.9	↑0.1	満潮
3/12 19:40	97.8	↓-0.1
3/12 19:50	97.5	↓-0.3
3/12 20:00	96.9	↓-0.6
3/12 20:10	96.2	↓-0.7
3/12 20:20	95.3	↓-0.9
3/12 20:30	94.2	↓-1.1
3/12 20:40	92.9	↓-1.3
3/12 20:50	91.5	↓-1.4
3/12 21:00	89.9	↓-1.6
3/12 21:10	88.2	↓-1.7
3/12 21:20	86.4	↓-1.8
3/12 21:30	84.4	↓-2.0
3/12 21:40	82.5	↓-1.9
3/12 21:50	80.4	↓-2.1
3/12 22:00	78.4	↓-2.0
3/12 22:10	76.3	↓-2.1
3/12 22:20	74.3	↓-2.0
3/12 22:30	72.3	↓-2.0
3/12 22:40	70.3	↓-2.0
3/12 22:50	68.4	↓-1.9
3/12 23:00	66.6	↓-1.8
3/12 23:10	64.9	↓-1.7
3/12 23:20	63.4	↓-1.5
3/12 23:30	61.9	↓-1.5
3/12 23:40	60.7	↓-1.2
3/12 23:50	59.6	↓-1.1