14 (金)	07:42	01:22	21:32	14:41
	111cm	58cm	88cm	30cm
小潮 出 06:28 入 17:18 出 - 入 09:50 潮干狩り ○ 14:02～15:20

那珂湊（茨城）2031年02月14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
2/14 00:00	63.1	↓-1.4
2/14 00:10	61.9	↓-1.2
2/14 00:20	60.7	↓-1.2
2/14 00:30	59.8	↓-0.9
2/14 00:40	59.0	↓-0.8
2/14 00:50	58.3	↓-0.7
2/14 01:00	57.8	↓-0.5
2/14 01:10	57.6	↓-0.2
2/14 01:20	57.4	↓-0.2	干潮
2/14 01:30	57.5	↑0.1
2/14 01:40	57.8	↑0.3
2/14 01:50	58.2	↑0.4
2/14 02:00	58.8	↑0.6
2/14 02:10	59.6	↑0.8
2/14 02:20	60.6	↑1.0
2/14 02:30	61.7	↑1.1
2/14 02:40	62.9	↑1.2
2/14 02:50	64.3	↑1.4
2/14 03:00	65.8	↑1.5
2/14 03:10	67.4	↑1.6
2/14 03:20	69.2	↑1.8
2/14 03:30	71.0	↑1.8
2/14 03:40	72.9	↑1.9
2/14 03:50	74.9	↑2.0
2/14 04:00	77.0	↑2.1
2/14 04:10	79.1	↑2.1
2/14 04:20	81.2	↑2.1
2/14 04:30	83.3	↑2.1
2/14 04:40	85.5	↑2.2
2/14 04:50	87.6	↑2.1
2/14 05:00	89.7	↑2.1
2/14 05:10	91.8	↑2.1
2/14 05:20	93.8	↑2.0
2/14 05:30	95.8	↑2.0
2/14 05:40	97.7	↑1.9
2/14 05:50	99.5	↑1.8
2/14 06:00	101.2	↑1.7
2/14 06:10	102.8	↑1.6
2/14 06:20	104.3	↑1.5
2/14 06:30	105.6	↑1.3
2/14 06:40	106.8	↑1.2
2/14 06:50	107.9	↑1.1
2/14 07:00	108.7	↑0.8
2/14 07:10	109.4	↑0.7
2/14 07:20	110.0	↑0.6
2/14 07:30	110.3	↑0.3
2/14 07:40	110.4	↑0.1	満潮
2/14 07:50	110.3	↓-0.1
2/14 08:00	110.0	↓-0.3
2/14 08:10	109.5	↓-0.5
2/14 08:20	108.8	↓-0.7
2/14 08:30	107.8	↓-1.0
2/14 08:40	106.7	↓-1.1
2/14 08:50	105.3	↓-1.4
2/14 09:00	103.7	↓-1.6
2/14 09:10	101.9	↓-1.8
2/14 09:20	100.0	↓-1.9
2/14 09:30	97.8	↓-2.2
2/14 09:40	95.5	↓-2.3
2/14 09:50	93.0	↓-2.5
2/14 10:00	90.4	↓-2.6
2/14 10:10	87.6	↓-2.8
2/14 10:20	84.8	↓-2.8
2/14 10:30	81.8	↓-3.0
2/14 10:40	78.8	↓-3.0
2/14 10:50	75.7	↓-3.1
2/14 11:00	72.6	↓-3.1
2/14 11:10	69.4	↓-3.2	最大潮位差
2/14 11:20	66.3	↓-3.1
2/14 11:30	63.2	↓-3.1
2/14 11:40	60.1	↓-3.1
2/14 11:50	57.1	↓-3.0
2/14 12:00	54.2	↓-2.9
2/14 12:10	51.4	↓-2.8
2/14 12:20	48.7	↓-2.7
2/14 12:30	46.1	↓-2.6
2/14 12:40	43.7	↓-2.4
2/14 12:50	41.5	↓-2.2
2/14 13:00	39.4	↓-2.1
2/14 13:10	37.5	↓-1.9
2/14 13:20	35.7	↓-1.8
2/14 13:30	34.2	↓-1.5
2/14 13:40	32.9	↓-1.3
2/14 13:50	31.8	↓-1.1
2/14 14:00	30.9	↓-0.9
2/14 14:10	30.1	↓-0.8
2/14 14:20	29.6	↓-0.5
2/14 14:30	29.3	↓-0.3
2/14 14:40	29.2	↓-0.1	干潮
2/14 14:50	29.3	↑0.1
2/14 15:00	29.6	↑0.3
2/14 15:10	30.1	↑0.5
2/14 15:20	30.7	↑0.6
2/14 15:30	31.6	↑0.9
2/14 15:40	32.5	↑0.9
2/14 15:50	33.7	↑1.2
2/14 16:00	35.0	↑1.3
2/14 16:10	36.4	↑1.4
2/14 16:20	37.9	↑1.5
2/14 16:30	39.6	↑1.7
2/14 16:40	41.3	↑1.7
2/14 16:50	43.2	↑1.9
2/14 17:00	45.1	↑1.9
2/14 17:10	47.1	↑2.0
2/14 17:20	49.2	↑2.1
2/14 17:30	51.3	↑2.1
2/14 17:40	53.5	↑2.2
2/14 17:50	55.6	↑2.1
2/14 18:00	57.8	↑2.2
2/14 18:10	60.0	↑2.2
2/14 18:20	62.2	↑2.2
2/14 18:30	64.4	↑2.2
2/14 18:40	66.5	↑2.1
2/14 18:50	68.6	↑2.1
2/14 19:00	70.6	↑2.0
2/14 19:10	72.5	↑1.9
2/14 19:20	74.4	↑1.9
2/14 19:30	76.1	↑1.7
2/14 19:40	77.8	↑1.7
2/14 19:50	79.4	↑1.6
2/14 20:00	80.8	↑1.4
2/14 20:10	82.1	↑1.3
2/14 20:20	83.2	↑1.1
2/14 20:30	84.3	↑1.1
2/14 20:40	85.1	↑0.8
2/14 20:50	85.8	↑0.7
2/14 21:00	86.4	↑0.6
2/14 21:10	86.8	↑0.4
2/14 21:20	87.0	↑0.2
2/14 21:30	87.1	↑0.1	満潮
2/14 21:40	87.1	0
2/14 21:50	86.9	↓-0.2
2/14 22:00	86.5	↓-0.4
2/14 22:10	86.1	↓-0.4
2/14 22:20	85.5	↓-0.6
2/14 22:30	84.8	↓-0.7
2/14 22:40	84.0	↓-0.8
2/14 22:50	83.1	↓-0.9
2/14 23:00	82.2	↓-0.9
2/14 23:10	81.2	↓-1.0
2/14 23:20	80.1	↓-1.1
2/14 23:30	79.0	↓-1.1
2/14 23:40	78.0	↓-1.0
2/14 23:50	76.9	↓-1.1